Peacock

Blue Green Black Yellow
#0000FF #00FF00 #000000 #FFFF00
rgb(0,0,225) rgb(0,225,0) rgb(0,0,0) rgb(225,225,0)
hsl(240,100%,50%) hsl(138,100%,50%) hsl(0,0%,0%) hsl(59,100%,50%)