Parrot
Red Yellow Blue Black
#FF0000 #FFFF00 #0000FF #000000
rgb(255,0,0) rgb(255,255,0) rgb(0,0,255) rbg(0,0,0)
hsl(0,100%,50%) hsl(60,100%,50%) hsl(240,100%,50%) hsl(0,0%,0%)