[GRASS5] Hex equivalents of grass colors?

[Cedric Shock]

Michael,

> Is there some kind of lookup available for the hex equivalent of standard
> grass colors (red, violet, etc)? Lacking that, is there an RGB lookup that
> I could translate to hex?

This is information is on my wish list too. I found it in: 
http://freegis.org/cgi-bin/viewcvs.cgi/grass6/lib/gis/color_str.c

    {"white",   255, 255, 255},
    {"black",     0,   0,   0},
    {"red",     255,   0,   0},
    {"green",     0, 255,   0},
    {"blue",      0,   0, 255},
    {"yellow",  255, 255,   0},
    {"magenta", 255,   0, 255},
    {"cyan",      0, 255, 255},
    {"aqua",    100, 127, 255},
    {"grey",    127, 127, 127},
    {"gray",    127, 127, 127},
    {"orange",  255, 127,   0},
    {"brown",   180,  75,  25},
    {"violet",  255,   0, 255},
    {"indigo",    0, 127, 255}

And of course the red:green:blue format and NONE / none / NonE whatever 
returns the special no color.

I've been playing with colors a bit too. I have a little rgb/his color system 
color picker that has sliders for red, green, blue, hue, intensity, and 
saturation. This is possible since, although neither rgb or his is an 
absolute color space, they are remappings of the same color model.

This code snippet takes integer red green and blue values on [0,255] to a hex 
color for tcl:

set rX [format %02X $red]
set gX [format %02X $green]
set bX [format %02X $blue]
	
set color "#$rX$gX$bX"

--Cedric