-- RGB
    print("red : "..tostring(Color.red))
    print("green : "..tostring(Color.green))
    print("blue : "..tostring(Color.blue))

    -- white gray black
    print("white : "..tostring(Color.white))
    print("gray : "..tostring(Color.gray))
    print("black : "..tostring(Color.black))
    -- clear
    print("white : "..tostring(Color.clear))

    -- cyan magenta yellow
    print("cyan : "..tostring(Color.cyan))
    print("magenta : "..tostring(Color.magenta))
    print("yellow : "..tostring(Color.yellow))