In the RGB color model, red, green and blue are added together to generate a wide array of colors. If you want to use a specific color in your Microsoft Office PowerPoint 2010 presentation, you must ...
The color space most of us are familiar with is RGB, or red, green and blue, which is an additive model – adding different amounts of each color creates a specific hue. The problem is that RGB doesn’t ...
38 Werner has shown the rgb-syntax to mix colors, egreg has shown how to define a color in RGB and then use it. If you want to specify a color with RGB values [0-255] without defining it before, you can use the rgb-syntax Werner has shown by setting the optional div-parameter to 255 (see xcolor package documentation, pages 13 and 16).
tikz pgf - How to specify a fill color in RGB format in a node in ...
I would like to check if a color is defined either passing the RGB numbers or a colorname to the key categoryColorPrimary / categoryColorSecondary. Using xstring doesnt feel right and I need to expand the argument.
How can I check if a color is defined using (RGB) numbers or a name?
The color package also supports decimal values in the RGB color model that accepts integer values in the interval [0,255]. On the other hand, xcolor offers much more features, so it's better to use it.
There is a straightforward solution to this problem, implied by section 114.1.1 of the pgf/Ti k Z manual and illustrated in Gonzalo Medina's answer and this is to load xcolor with option rgb or passing rgb to the package as a global option. However, I'm using the colour series in a package and I don't want to force rgb on the user globally. So I think it would be better to use ...