AColor keywords
BHexadecimal notation
CRGB (red, green, blue) format
DHSL (hue, saturation, lightness) format (CSS3)
ERGBA (red, green, blue with alpha transparency) format (CSS3)
FHSLA (hue, saturation, lightness with alpha transparency) format (CSS3)
GHLAS (hue, lightness, with alpha transparency , saturation ) format (CSS3)