Thus the RGB 3-tuple of values we use to specify color actually represents a single point in a Cartesian coordinate space. And royal purple is still buried in that cube somewhere.

The RGB color space has a much wider range of discernible colors than CMYK. As a result, many intense values of RGB colors such as orange, green and blue tend to darken and look dull and dirty ...

This color space is slightly smaller than the Adobe RGB color space, and it’s considerably smaller than Rec.2020. True Color: 8-bits per subpixel, 24-bit total color depth.