HSL and HSV
Videos
HSL and HSV are the two most common cylindrical-coordinate representations of points in an RGB color model. The two representations rearrange the geometry of RGB in an attempt to be more intuitive and
Fig. 13a: Color photograph (sRGB colorspace)
Fig. 13b: CIELAB L* (further transformed back to sRGB for consistent display)
Fig. 13c: Rec. 601 luma Y'
Fig. 13d: Component average: "intensity" I
Munsell color system
Videos
The Munsell color system is a color space that specifies colors based on three properties of color: hue, value, and chroma. It was created by Albert H. Munsell in the first decade of the 20th century
Runge's Farbenkugel (Color Sphere), 1810
Albert H. Munsell
Several editions of the Munsell Book of Color. The atlas is arranged into removable pages of color swatches of varying value and chroma for each of 40 particular hues.