List of web colors/Red

Red     
#ff0000
Introduction
In the RGB color model, hex triplet #ff0000 has decimal index of: 0, is composed of 100% red, 0% green and 0% blue. #ff0000 in CMYK color model, is composed of 0% cyan, 0% magenta, 0% yellow and 0% black. #ff0000 is a web-safe color.
Copy/pasting for #ff0000
Hexadecimal code: #ff0000
Uppercase hexadecimal code: #ff0000
Short hexadecimal code: #f00
RGB: rgb(255,0,0)
RGB percentage: rgb(100%,0%,0%)
HSL percentage: hsl(0%,100%,50%)
Details
The hexadecimal triplet #ff0000 definition is: Red = 255, Green = 0, Blue = 0 or CMYK: Cyan = 0, Magenta = 1, Yellow = 1, Black = 0
RGB: 255, 0, 0
RGB percent: 100%, 0%, 0%
RGB binary: 11111111, 0, 0
CMYK: 0, 1, 1, 0
CMYK percent: 0%, 100%, 100%, 0%
CMY: 0, 1, 1
HSL: 0°, 1, 0.5
HSL percent: 0°, 100%, 50%
HSV: 0°, 1, 1
HSV percent: 0°, 100%, 100%
XYZ: 41.245, 21.267, 1.933
xyY: 0.64, 0.33, 21.267
CIELAB: 53.241, 80.092, 67.203
CIELUV: 53.241, 175.014, 37.756
CIELCH: 53.241, 104.551, 39.999
Hunter Lab: 46.116, 78.943, 29.796
YIQ (NTSC): 76.245, 152.865, 54.542
Decimal value: 16711680
Web-safe color: already a web-safe color
Name: Red
Color schemes
In color theory, a color scheme is the choice of colors used in design.
;COMPLEMENTARY
#ff0000
#0000ff
;SPLIT-COMPLEMENTARY
#00ff80
#ff0000
#0080ff
;TRIADIC
#0000ff
#ff0000
#00ff00
;CLASH
#8000ff
#ff0000
#80ff00
;TETRADIC (RECTANGLE)
#0000ff
#ff0000
#ffff00
#0000ff
;FIVE-TONE
#1500ff
#00ffaa
#ff0000
#15ff00
#0095ff
Analogous colors
They are colors that are next to each other on the color wheel. Analogous colors tend to look pleasant together, because they are closely related.
#0055ff
#0000ff
#5500ff
#aa00ff
#ff00ff
#ff00aa
#ff0055
#ff0000
#ff5500
#ffaa00
#ff0000
#aaff00
#55ff00
#00ff00
#00ff55
Monochromatic
Shades are created by decreasing luminance in HSL color model, and tints by increasing it. The next step for shades is #ff0000 and for tints is #fff.
;SHADES
#df0000
#bf0000
#9f0000
#800000
#600000
#400000
#200000
;TINTS
#ff2020
#ff4040
#ff6060
#ff8080
#ff9f9f
#ffbfbf
#ffdfdf
HTML/CSS color usage
Sample HTML/CSS paragraph codes using #ff0000 color.
;BACKGROUND COLOR
Background color of this paragraph is #ff0000
Background color of this paragraph is #ff0000
;BORDER COLOR
Border color of this paragraph is #ff0000
Border color of this paragraph is #ff0000
;TEXT COLOR
Text color of this paragraph is #ff0000
Text color of this paragraph is #ff0000
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