RGBToHex
From WoWWiki
This is a user-defined function that you can copy and paste into your addon. Replace <PREFIX> with your addon's prefix to avoid conflicts between different versions of these functions.
Takes a RGB value set (0-255) and converts it into a hex string.
local function RGBToHex(r, g, b)
r = r <= 255 and r >= 0 and r or 0
g = g <= 255 and g >= 0 and g or 0
b = b <= 255 and b >= 0 and b or 0
return string.format("%02x%02x%02x", r, g, b)
end
