The HTML Color Cube is a cube whose three perpendicular axes carry the numbers 00 to ff hexadecimal (0 to 255 decimal) for the three components of a color in the RGB model (Red, Green, Blue). This gives 256³ = 16777216 colors.

Full HTML Color Cube

HTML Color Cube (older version)

Around the outside of the color cube Regular size Double size	Three uniform slices through the color cube (grey at the center) Regular size   Double size	Two uniform slices through the color cube (grey at the center) Regular size
		Standard color chart Regular size