util/hex2rgb.lua

   1 return function(hex)
   2     local hex = hex:gsub("#","")
   3     if hex:len() == 3 then
   4       return (tonumber("0x"..hex:sub(1,1))*17)/255, (tonumber("0x"..hex:sub(2,2))*17)/255, (tonumber("0x"..hex:sub(3,3))*17)/255
   5     else
   6       return tonumber("0x"..hex:sub(1,2))/255, tonumber("0x"..hex:sub(3,4))/255, tonumber("0x"..hex:sub(5,6))/255
   7     end
   8 end