| Value | Meaning |
|---|---|
| IM_RGB | < Red, Green and Blue (nonlinear). |
| IM_MAP | < Indexed by RGB color map (data_type=IM_BYTE). |
| IM_GRAY | < Shades of gray, luma (nonlinear Luminance), or an intensity value that is not related to color. |
| IM_BINARY | < Indexed by 2 colors: black (0) and white (1) (data_type=IM_BYTE). |
| IM_CMYK | < Cian, Magenta, Yellow and Black (nonlinear). |
| IM_YCBCR | < ITU-R 601 Y'CbCr. Y' is luma (nonlinear Luminance). |
| IM_LAB | < CIE L*a*b*. L* is Lightness (nonlinear Luminance, nearly perceptually uniform). |
| IM_LUV | < CIE L*u*v*. L* is Lightness (nonlinear Luminance, nearly perceptually uniform). |
| IM_XYZ | < CIE XYZ. Linear Light Tristimulus, Y is linear Luminance. |
Image color mode color space descriptors (first byte). \n * See also \ref colormodeutl. * \ingroup imagerep