yashsingh1/xdaforums huggingface dataset:
[Nexus 4 General] eddy4823:
I have the fku app. recommended is too dark.
[Nexus 4 General] undercover:
What's fku? A bit out of the loop.

Anyway, that profile is superb. Colours are not as saturated as some, but helluva lot better than Google and is very bright too. Best profile imho.

Sent from my sandwich maker. Make: LG Model: N⁴
[Nexus 4 General] Danny.ns:
Dunno if this is helpful for anyone, but these settings gave me deep blacks, saturated colors, no banding and 2.2gamma on red green and blue.

Red: 220

Green: 228

Blue: 222

Grays: 0

Mids: 103

Blacks: 119

Whites: 3

Contrast: 0

Brightness: 6

Saturation: 71

Thats with franco.kernel. If you try these settings and you do not get 2.2gamma, you can play with the Red, Green and Blue values. E.g. if gamma for blue is 2.5 instead of 2.2, increase or decrease until its at 2.2 and so forth.
[Nexus 4 General] sirxdroid:
What do you use to check the actual gamma value?
[Nexus 4 General] Danny.ns:
The app display tester from the play store.
[Nexus 4 General] sirxdroid:
Thanks. At what display brightness should gamma be measured or it doesn't matter?
[Nexus 4 General] Wraithers:
Thanks for this thread, saw it a while back, but just had the chance to start playing with it now that PA 3.55 came out with Franco optimized kernel. Gonna get down to it soon once I'm flashed :)
[Nexus 4 General] drakester09:
With the new PA kernel, we have a direct measure of halfbreed settings for FK. :cowboy:

They are correct in the spreadsheet, except for saturation which in the kernel defaults is 0 instead of 66.

Thanks for all the effort. :highfive:

Edit: Correct, it's 66 by code, I don't know why it was reading the value wrong.
[Nexus 4 General] sirxdroid:
Franco typo maybe? Or maybe he didn't like the saturation and changed it more to his liking. But 66 is the "correct" number based on molesarecoming's post:

#define g_saturation 0x42

(42 hex is 66 decimal)

http://xdaforums.com/showpost.php?p=37669134&postcount=1
[Nexus 4 General] drakester09:
You are correct.... maybe my settings or the interface wasn't read properly. I checked the code and the value is 66.

https://github.com/ParanoidAndroid/...d2dda0e075c98fd69f9c727e6d9894fa76e4545#L2R52
[Nexus 4 General] Connor Baker:
Must... Contribute... To community...

Here are some REALLY punchy settings for Franco's gamma:

Color Multipliers:

255 255 255

Grays:

1 1 1

Mids:

103 103 103

Blacks:

119 119 119

Whites:

7 7 7

Contrast:

23

Brightness:

6

Saturation:

119

And a screen shot of values below :p

Connor Baker

BTW, Did I mention that these are really punchy?
[Nexus 4 General] Danny.ns:
The app will increase the brightness to max automaticly :)
[Nexus 4 General] sirxdroid:
Ah OK. I didn't notice that. For the other features of the app I noticed I can swipe the screen up/down to adjust brightness.
[Nexus 4 General] daglesj:
And skin tones look like radiation burns yet again.

Please people once you've created your profiles that may make icons look really jazzy try looking at some pictures of the real world and peoples skin tones.

Might not matter to some of you but some of us like realism rather than punchy.
[Nexus 4 General] drakester09:
Lies! I did not said that.

Your quote got borked apparently. :p
[Nexus 4 General] hamad138:
RGB 255/255/255

GAMMA

Grays 0

Mids 87

Blacks 119

Contrast 6

Brightness 0

Saturation 1

Whites 0

Guys try these, this are the best settings for true colour feeling
[Nexus 4 General] sirxdroid:
I like them and that's what I've been using since you first post them, thanks. They are the same as row 26 by bundi22 in the spreadsheet, using Faux settings. Also similar to row 27 by bundi22.
[Nexus 4 General] tetrakinitis:
Thanks. Can someone translate it for faux?
[Nexus 4 General] sirxdroid:
row 26 by bundi22 in the spreadsheet. row 27 by bundi22 is very similar.
[Nexus 4 General] pikachukaki:
Is there a way to translate values for each app?im looking for iphone 5 values for franco dont know if someone else translate them for franco from faux!thx
[Nexus 4 General] sirxdroid:
See 3-4 posts above, those are the ones.
[Nexus 4 General] corwest:
I think there is an Iphone 5 one in he spreadsheet now.
[Nexus 4 General] sirxdroid:
Yes, in the spreadsheet, Gamma sheet look at row 44 by bundi22 and Gradient/Gray sheet row 27 by bundi22. Look at the rows above, 43 and 26 respectively, they look very close to me, I tried them both.

Row 62 by hamad138 is identical to row 43.
[Nexus 4 General] ensboarder:
Thanks
[Nexus 4 General] mohitgalaxy3:
Try my profile, I think it will suit exactly what you are looking for.

I have spent a lot of time to get 2.2 gamma for each color bot some how I couldn't but still this is my best outcome please try and let me know hiw do you like them.
[Nexus 4 General] drakester09:
For me the closest to 2.2 are 24_richteralan settings.:cowboy:
[Nexus 4 General] sirxdroid:
Why is everyone obsessed with gamma 2.2? Just use whatever looks good to your eyes. In a previous life I wasted time calibrating my TV and sound system to be "correct" and I did not like the outcome. I discovered I preferred settings that at least to me looked and sounded better, even though "incorrect".

FWIW, I like the two bundi22 profiles, with a very slight preference towards the "iPhone" one - I think it looks better to my eyes when it comes to skin tones in photos. Thanks [MENTION=3477239]bundi22[/MENTION]!
[Nexus 4 General] mohitgalaxy3:
Could you guys please try mine once and let me know how you like it so I can improve it.

Also buddy about 2.2 I was trying because I just read the anandtech detailed article on iphone 5 screen and those color were very accurate to 2.2 so I was trying to get that magic.
[Nexus 4 General] sirxdroid:
Do you measure with some equipment or with the Display Tester app? Is that app accurate at measuring gamma or just a rough approximation? Just curious, not criticizing anyone's work...
[Nexus 4 General] mohitgalaxy3:
I was using display tester only.

Also if you are giving a try please keep the saturation at 71 not 89.

I like natural/real colours, so i was giving a try that may be this 2.2 thing will give me a perfect balance.
[Nexus 4 General] pikachukaki:
There are entries in the spreadsheet that while using franco app they have values 255 how i can add this value when max on franco is 119??
[Nexus 4 General] sirxdroid:
Unfortunately I think some rows have old/invalid values that can no longer be set via Trickster or the Franco kernel app. You may still be able to set them via scripts but I'm not sure what really happens when you do, if they are considered invalid values. I asked the same question in the past. Your best bet is to find some recent profiles that you like that use "correct" values.
[Nexus 4 General] mohitgalaxy3:
Galaxy S4 Magic:

Guys my friend got a S4 and I tried to get it's colours in our Nexus 4.

Some how I succeeded but not 100 %.

Try them I am sure you will like them.
[Nexus 4 General] rockafellor:
using franco kernel + pa 3.56 + pa_halfbreed colours - someone also using this?
[Nexus 4 General] scikoon:
how to control the lcd color?? I am using display tester
[Nexus 4 General] Connor Baker:
Hey everyone. I recently started using the community kernel, which uses Faux's Gamma implementation. I'm coming from Franco's Gamma interface, and I'm stuck on converting it. I am aware that a few pages back the creator of Trickster Mod (thanks for the wonderful app by the way :P) posted two links on how to convert settings. Unfortunately, I'm completely and utterly stuck. I would like it very much if someone would convert the settings in the attachment to faux's gamma interface, or, even better, possibly help me understand how to convert them myself.

Thank you all very much for your time,

Connor Baker
[Nexus 4 General] sirxdroid:
If you are OK with using a script see the attached one I use.

This is the post I used as documentation:

http://xdaforums.com/showpost.php?p=40859209&postcount=2

And here's the Faux color decoding:

http://xdaforums.com/showpost.php?p=38161821&postcount=6090

A few notes:

- I tested it with the _m+ (motley) kernel; it may or may not work on other kernels that use the Faux interface; if it doesn't work, I'm sure it can be adapted to work

- modify the values in the script by using the numbers you use for Franco

- not sure about the order of the whites and greys, they may need to be swapped. Try them both ways and see which one is closer to Franco. If you draw definite conclusions, please let us know. I use 2 profiles where grey and white values are the same so it doesn't matter to me.

- the first number (the checksum) must be the sum of the following 9 numbers

- you can call the script with the -p option to print the current values

- you can use the script from init.d, just don't call it with the -r option

- if you use Trickster: exit Trickster by pressing the Back soft button rather than the Home button (this is important!); then run the script to set your colors; turn the screen on/off for the profile to take; then start Trickster which will read the settings (this is why it was important to exist Trickster first); now you can copy the numbers down from Trickster (in Faux format) and set Trickster to set them on boot.

I hope this helps.

#!/system/bin/sh

#
# -p : only print current colors, don't set anything
# -r : refresh the screen after setting colors. Not to be used from init.d as it can cause reboots.
# The screen also needs to be on for refresh to work.
#

print_colors()
{
echo -n "RGB: "; cat /sys/devices/platform/kcal_ctrl.0/kcal
echo -n "R: "; cat /sys/devices/platform/mipi_lgit.1537/kgamma_red; echo
echo -n "G: "; cat /sys/devices/platform/mipi_lgit.1537/kgamma_green; echo
echo -n "B: "; cat /sys/devices/platform/mipi_lgit.1537/kgamma_blue; echo
}

if [ "$1" == "-p" ]; then
print_colors
else
# RGB
echo "255 255 255" > /sys/devices/platform/kcal_ctrl.0/kcal
echo 1 > /sys/devices/platform/kcal_ctrl.0/kcal_ctrl

# Checksum, Greys?, Mids, Blacks, 0, Contrast, Brightness, Saturation, Whites?, 2
# (Greys/Whites might need to be swapped, it's unclear)
# Checksum = sum of the following 9 numbers
# row 43 bundi22 (S3): 215 0 87 119 0 6 0 1 0 2
# row 44 bundi22 (iPhone 5): 168 0 39 119 0 6 0 2 0 2
echo "215 0 87 119 0 6 0 1 0 2" > /sys/devices/platform/mipi_lgit.1537/kgamma_red
echo "215 0 87 119 0 6 0 1 0 2" > /sys/devices/platform/mipi_lgit.1537/kgamma_green
echo "215 0 87 119 0 6 0 1 0 2" > /sys/devices/platform/mipi_lgit.1537/kgamma_blue

# Print them to make sure they stick
print_colors

if [ "$1" == "-r" ]; then
echo 1 > /sys/devices/platform/mipi_lgit.1537/refresh_screen
else
echo
echo "Turn the screen on/off to apply the color profile"
echo "or use -r to auto refresh (the screen must be on or the phone will reboot)."
echo
fi
fi
[Nexus 4 General] resynx:
Spreadsheet updated :)
[Nexus 4 General] Connor Baker:
Thanks for putting my settings up there :P

I was using Franco Kernel, and I tweaked it with the Franco Kernel Updater application.

I would best describe the colors these settings produce as Similar to Obstanity's in terms of blacks, with lighter mids and whites, more contrast, and a slightly brighter screen.

Thank you once again for taking the time to put my settings in there :D

Connor Baker
[Nexus 4 General] hpl912:
hi guys, which is a better application that you would recommend between Faux123 and Franco? pros and cons comparing each and preferably one that also work with the nexus 10?

also, do I need to have any specific kernel installed for their application to work and how do I find this out?

Thanks.
[Nexus 4 General] faux123:
Mine doesn't work with 10 because I don't have a nexus 10
[Nexus 4 General] hpl912:
thanks.

if i get the app on google play, do I need to install anything else to calibrate my screen color on the nexus 4?
[Nexus 4 General] faux123:
you need to install a custom kernel with the proper kernel driver in order to take advantage of this.

You can use my Enhance stock (if you only cared about color and not much else), or full custom kernel or kernels from Mathkid, Motley, Harsh, Semaphore etc all have my kernel driver.
[Nexus 4 General] Fidelator:
Damn... after extensive testing with multiple kernels and app settings I have come to the conclusion that this screen can't produce many shades of reds/yellows/oranges.(and to some degree the purples too)

After proper calibration the screen doesn't look bad by any means, even the colors I mentioned look good (the others are generally pretty good) however, when I do a side by side comparison against my TV/other devices with good displays, the reds/yellows and oranges leave something to be desired.

That's my only complaint though, if it don't put an image displaying a lot of those next to another device the screen looks great.

Faux, you should totally get a N10, it's awesome, and it also needs some of your display wizardry (that's my only grief about it).
[Nexus 4 General] faux123:
I bought 2 phones back to back @ full retail no contract price (HTC One and SGS 4). Can't just got out and buy another device at the moment...
[Nexus 4 General] Fidelator:
=/...

Btw when compared to a calibrated N4, how good does the display on the One look? I haven't been able to see it with my own eyes yet.
[Nexus 4 General] resynx:
Thank you both for your contributions, looking forward to trying these and will be adding these now :D
[Nexus 4 General] jazzboyrules:
You can add form based entry to the spreadsheet. That way any one can add entries to the spreadsheet, you won't have to manually enter the numbers for everyone and no one except you will be able to wipe/troll on your spreadsheet.
[Nexus 4 General] Sebacestmoi:
I have tried the settings from differents users that I was thinking would be the most interessant and I've made a table with the gamma result I've got on my phone :

Grey and yellow are really the two hardest colors to get a 2.2 gamma.

I don't want to say that someone is better than someone else, these results are for my screen and everybody will get another result.
[Nexus 4 General] chlehqls:
What did you use for the base presets? LG or Google?

I just settled with one of the 248 flat RGBs with some gamma tweaks since that "looked" pretty good to me. The display tester says otherwise though.
[Nexus 4 General] misfits9095:
I figured out how to get the greys more in line with the ideal 2.2 gamma. I noticed the N4 screen is really heavy on yellow. yellow drives the grey gamma to the high side 2.4-2.6. Long story short,, I reduced the Red+Green colors to compensate for the yellow. these new settings offer a cool blue hue. I've compared them to an Iphone 5 and found the color saturation to be similair, however it's definatley more cool than the iphone 5. Colors look a little over saturated, but I kind of like it. It makes black text pop and greatly improves my white contrast.

Stock rom, Stock kernnel, LG Preset, using faux app.

Color adjustment

red-229, green- 250, blue- 255

Gamma 1

red-15, green-12, blue-18

gamma 2

red 0, green 0, blue 1

results

grey 2.1

red 1.8

green 1.8

blue 2.0

yellow 2.0

cyan 2.0

magenta 1.8
[Nexus 4 General] resynx:
Form based entry? How does that work? I'm not that knowledgeable with spreadsheets.. :D

No worries, every screen is different so there will not be a "best" for everybody ;)

Thanks, adding now :cyclops:

I've been enjoying your old configuration, time to try out the new one ^_^
[Nexus 4 General] mcg:
Hm, subscribing to the thread - a huge fan of color and am really liking the work here!
[Nexus 4 General] Waldos:
When i recieved my phone i will test every setting to have the best color :D
[Nexus 4 General] resynx:
It's fun and addicting! :D

And it's always nice having new colors on the screen from time to time. Like changing new ROMs and kernels hahaha XD
[Nexus 4 General] idividebyzero:
This time I ignored display tester and just tried to match my work monitor comparing photos and color charts.

Preset: LG

Colors:

255

250

245

Gamma 1:

13

20

22

Gamma 2:

0

2

3

I was able to come pretty close in everything except warmness. It should be a little warmer, the color controls act as kind of a white balance and help warm the whites but go too far and it hurts the blues too much. I had to drop red gamma way down to get orange to look right, it really did not want to show orange on a sunset picture, just yellow.

When I had display tester looking good it did not look very much like my work monitor, too cool and not a lot of color variance (like yellow oranges) so I just ignored that.
[Nexus 4 General] resynx:
Thanks! Stock ROM / kernel and LG presets I presume?
[Nexus 4 General] idividebyzero:
forgot to say LG, stock kernel if that matters
[Nexus 4 General] Hereisphilly:
Just got my nexus 4 today, been messing with settings and these are almost perfect for me! Love how the colors really pop without being too saturated

In colour tester I get the following readings

Grey 2.6 (I agree quite high but it does give the whites a lot of punch)

Red 2.2

Green 2.2

Blue 2.2

Yellow 2.6 (not sure what to do to bring this down without affecting the perfect RGB results)

Cyan 2.4

Magenta 2.2

Anyone know how to calibrate a nexus 10 hehe, this looks really yellow compared to my nexus 4!
[Nexus 4 General] elk80:
very nice.

i´m lucky with this setting.
[Nexus 4 General] NYCguy2020:
+1 I love this setting.Now my Nexus screens looks as good as my GF OneX
[Nexus 4 General] chrisnk204:
Yea looks good yellow looks kind of greenish like a neon lime color

Tested on display tester
[Nexus 4 General] babalonius508:
After messing around, I found some settings I like. No display tests, just what I think looks good. I was going for a saturated look where the colors pop out.

LG Presets with Faux's 002b8 kernel

RGB: 255/255/255

Gamma Amp 0: 28/28/31

Gamma Amp 1: 0/0/0

Sent from my Nexus 4
[Nexus 4 General] Michealtbh:
Really liking acer73's configuration. Wish we had the option to backup and restore configs in FauxClock
[Nexus 4 General] 0.0:
which one is that?
[Nexus 4 General] Caner092:
248 248 248 10 7 5 4 4 1
[Nexus 4 General] iamhacked:
Way better. It just can't beat the HTC one's gorgeous 468ppi. Just everything about the one's screen is better, sadly.
[Nexus 4 General] alcurtis93:
Could someone tell me the profile to convert faux accurate profile to Franco?
[Nexus 4 General] pikachukaki:
Also is there a guide to translate profiles values from fraux or motley to franco?
[Nexus 4 General] PelegK:
Tried some values
[Nexus 4 General] Odiumvex:
Possible to get your app updated in gamma controls to show what the values stand for *example whites, contrast, etc?
[Nexus 4 General] resynx:
No problem :) Thanks for taking the time to configure settings and posting them publicly for all of us here on xda to use :)
[Nexus 4 General] defffizz:
I'm trying to set contrasty pa color profile but can't enter certain values, for example 64.. And how to set saturation for example to be more than 119, or any value I want. Using fku app with Franco kernel. Tnx
[Nexus 4 General] sirxdroid:
Values you cannot set are not considered valid. You can still force them via a script but I'm not sure what happens at the kernel level, whether they are ignored, they get adjusted or just have unknown effects. But I thought that now the spreadsheet is fixed for the molesarecoming profiles to have valid values.
[Nexus 4 General] defffizz:
Tnx, i used spreadsheet found in the first post of this thread, and I can't input those values of color profile i want, so i guess it's not fixed. Also I have all of those color profiles in my app, but they show me different values than in this spreadsheet (for example Kel Ghu profile) edit: found those profiles fixed, just can't find moles stock color profiles, but that's ok, Kel Ghu profile is perfect :)
[Nexus 4 General] alcurtis93:
Bump
[Nexus 4 General] Krazhil:
Actually there is no need for a conversion.

Just click on the Tab "Gradient / Grey"-Tab (in PC browser on the bottom, on Android on the top), there you will find about 30 Faux-Color settings.

If you want to apply a setting (e.g. Halfbreed on row 10), you have to apply ALL values (Upper Top Bottom Lightest Darkest etc.).

Applying the RGB, Amp0 and Amp1 values is not enough!

I am using "Halfbreed" on row 10. I really like these settings.
[Nexus 4 General] Anrikus:
I guess they wanted to apply the faux profile "accurate" while using francos kernel.

Sine franco and faux are using different methods to adjust the screen, the settings cannot be applied without a conversion from one kernel to the other.
[Nexus 4 General] faux123:
it's not possible to convert all the settings because Franco does not allow adjustment for all the possible settings like my original kernel driver.
[Nexus 4 General] Archmag3:
well my new config which pleases my eyes :) check it if you like it too :D or you can use my previous config too :) I have bold out changed values :)

MIUI Russian V5 4.2.1 + Faux 016

RGB - 255

Gamma Amp0 - 25 25 25

Gamma Amp1 - 9 9 9

Grey scale levels :

8-15 0

16-23 0

24-31 7 7 7

32-39 7 7 7

40-47 7 7 7

48-55 7 7 7

Gradient scale levels :

Upper 0 0 0

Lower 0 0 0

Top Half 1 3 3 3

Top Half 2 3 3 3

Mid 4 4 4

Bottom half 1 4 4 4

Bottom half 2 2 2 2
[Nexus 4 General] sean222:
These look pretty good...but do you see the purple haze on the play store icon? (You need really good eyes to see it) :) what would you adjust to fix that? Thanks.

Sent from my Nexus 4
[Nexus 4 General] Archmag3:
:eek: cant see it here :(
[Nexus 4 General] sean222:
:( its OK ...maybe my eyes are messed up, Lol.

Still very nice settings :D thanks

Sent from my Nexus 4
[Nexus 4 General] dashqa:
Hello guys! Help me to configure the colors in Trickster MOD. I want to apply this settings from franco's kernel (now I am on Jocker kernel) . Don't understand how can I rearranged Grays (Red),Mids (Red),Blacks (Red) with GAMMA AMP 0, GAMMA AMP 1. And of course GRAY and GRAD settings with contrast, Brightness, Saturation:confused:
[Nexus 4 General] namurt:
edit: i should have searched the thread before posting. broke a cardinal xda rule. don't mind me... i'll be over there in the corner with my dunce hat on. :/
[Nexus 4 General] sirxdroid:
Some entries in the spreadsheet use invalid values, I think they are very early attempts at a gamma color interface when the kernel devs didn't limit the values.
[Nexus 4 General] oSandmaNo:
What are the stock values? Im using the trickstermod app
[Nexus 4 General] Krazhil:
Does your kernel have faux or franco gamma settings?
[Nexus 4 General] kien:
Do you see a big difference when changing the AMP0 and AMP1 values in Trickster? I'm using Air kernel and can't see any difference when I change them.
[Nexus 4 General] gie62001:
Hi,

I could check it for you as I'm running Franco kernel, but I cant see an option for values AMP0 or AMP1. Or maybe I'm missing something
[Nexus 4 General] oSandmaNo:
No idea

was using the default kernel from PA
[Nexus 4 General] kien:
Thanks, I only have the profile option under Gamma Calibration, no Brightness or Contrast. The next section below that is AMP0 and AMP1, I have the free version if that makes any difference, or maybe different options are available with different kernels?
[Nexus 4 General] gie62001:
Most probably that's the answer that different kernel has different options in trickster. Sorry if I'm not much of the help
[Nexus 4 General] kien:
Thanks :) I might flash franco and see what difference it makes.
[Nexus 4 General] Codrea:
sorry for noob question but where is the most neutral color like htc one? :D
[Nexus 4 General] mohitgalaxy3:
By neutral if u meant not over staurated and not punchy, here it is.

I created few days ago.

Red: 220

Green: 225

Blue: 220

Grays: 4 4 4

Mids: 87 87 87

Black: 119 119 119

Whites: 5 5 5

Contrast: 0

Brightness: 8

Saturation: 87
[Nexus 4 General] gie62001:
Delete
[Nexus 4 General] kien:
Tried a different kernel which gave all the gamma settings but didn't like the kernel so went back to air kernel. Turns out changing the amp values only take effect after turning the screen off and back on.
[Nexus 4 General] Krazhil:
With matr1x kernel you don't have to turn the screen off and on. (It uses faux-settings)