- RGB is used for illuminating color
- Red, Green, and Blue light are added together
- YUV is used for transmitting color
- YCbCr is the digital version
- Y is the luminance
- U is the blue-difference
- V is the red-difference
- CMYK is used for printing color
- HSV is used in digital image editing
- Hue, Saturation, Value
Color Spaces on Wikipedia.
