### tone | colour | dyestuff | acid dye:

Metallized dye
* are forms of acid dyes in which the negative ion contains a chelated metal atom.
* is acid dye

### tone | colour | dyestuff:

Azo dye
* AZO dye is usually dark blue or blue-ish silver.
* have a tendency to be light and heat sensitive.
+ CD-R: Compact Disc
  * There are three types of dye used in CD-R discs. The most common is phthalocyanine, and it is usually light green. It is usually teal or dark green. Verbatim uses phthalocyanine dye on some discs, and AZO dye on others. AZO dye is usually dark blue or blue-ish silver. The metal layer on the disc is usually made of silver. Archival discs and some professional audio discs use a gold top layer.

Basic color
* are braids that are comprised of threads that give a moderately shiny appearance.
* remain recognizable by artificial light, but the differences are great.

Fluorescein
* is an inexpensive, nontoxic, highly fluorescent compound
  - instilled into the cornea by drops or iontophoresis
  - the coloring agent used to make the blood vessels visible within the eye
* yellow coloring agent that glows when a blue light is shone on it
  - dye which glows in visible light

Fluorescent dye
* All fluorescent dyes are trade secret.
* Many fluorescent dyes attach to biological components such as cellular membranes.
* Some fluorescent dyes are readily susceptible to photobleaching while other are relatively stable.
* are used to label cellular compartments for a similar purpose
  - sort living and dead sperm
* passes out of the capillary mouth and into the cuvette.

Fluorochrome
* Many fluorochromes are stable for a long time.
* differ in how much intensity they are capable of producing.

Vat dye
* are insoluble substances used for cotton dyeing
  - primarily for cotton and rayon
* have good light and wash fastness qualities and can be pigment printed or painted.
* is dye.

False colour
* is used to indicate height.
* show high energy X-rays in yellow and lower energy in red.

Flower colour
* are almost universally shades of yellow, ranging from pale through to golden.
* encompass the entire spectrum, except for a true blue.
* ranges from light pastels to bold colours.
* tend to the blue and pink tones
  - pastels in the red spectrum

Hair colour
* can tend towards lighter blonde shade.
* is determined by the concentration of melanin
  - only one indicator of redheadedness, just as some black bears are brown

Light colour
* are better than dark colours.
* present the high energy level, the dark one the low energy levels.
* reflect more sun.

Magenta
* are the nonconformists in the aura spectrum.
* is colour
  - stations
* prefer to live in busy cities.
* tend to focus on and enjoy the strangeness of the physical world.

Mordant
* allow dyes to bond to fibers by bonding both to the fiber and the dye molecule.
* are chemicals that help improve the depth of color and the fastness of the dye.
* is colour

Red colour
* tends to fade in storage.
+ Vaccinium vitis-idaea: Berries :: Vaccinium
  * Red colour is sign of well done.

Spring green
* are a perfect contrast for the color and flavor of strawberries
  - delicious raw in salads or cooked as a tasty side salad
* figure prominently in the form of arugula, watercress and mustard greens.
* have a peppery flavor.