Command/definecolor

\definecolor

Syntax

\definecolor[...][...,...=...,...]
[...]	name
r	number red channel (RGB)
g	number green channel (RGB)
b	number blue channel (RGB)
c	number cyan channel (CMYK)
m	number magenta channel (CMYK)
y	number yellow channel (CMYK)
k	number black channel (CMYK)
s	number gray value (Grayscale), if v isn't set
h	number hue (HSB)
s	number saturation (HSB)
v	number brightness/value (HSB)
t	number transparency factor
a	number alternative (transparency method)
p	number spotcolor percentage
e	text spotcolor name
x	text Hexadecimal RGB value (like in HTML), only with hex module

Description

\definecolor associates a name with a color, for later use with the \color command.

To use hexadecimal colors in mkii you need to load the proper module first:

\setupcolor[hex]

Then the colors can be specified with

\definecolor[hex-red][h=FF0000]

Regarding the key « a », which means transparency alternative method, there are a certain number of values (actually at least 13, from 0 to 12) whose meanings can be seen from below:

\definetransparency [none]        [0]
\definetransparency [normal]      [1]
\definetransparency [multiply]    [2]
\definetransparency [screen]      [3]
\definetransparency [overlay]     [4]
\definetransparency [softlight]   [5]
\definetransparency [hardlight]   [6]
\definetransparency [colordodge]  [7]
\definetransparency [colorburn]   [8]
\definetransparency [darken]      [9]
\definetransparency [lighten]    [10]
\definetransparency [difference] [11]
\definetransparency [exclusion]  [12]

See also

Colors, Command/definetransparency