0xff0000
0x80FF0000
0xF00
#f00
#f008
#ff0000
#ff000088
hsl(0 100% 50% / 0.5)
hsl(0 100% 50% / 1)
hsl(0 100% 50%)
hsl(0, 100%, 50%)
hsl(0deg, 100%, 50%)
hsla(0, 100%, 50%, 0.5)
hsla(0, 100%, 50%, 1)
rgb(100%, 0%, 0%)
rgb(255 0 0 / 0.5)
rgb(255 0 0 / 1)
rgb(255 0 0)
rgb(255, 0, 0)
rgba(100%, 0%, 0%, 50%)
rgba(255, 0, 0, 0.5)
rgba(255, 0, 0, 1)