olemus
(a) videosignaali komponent
ISO/IEC 14165, ISO/TR 12033:
videosignaali värvuseosa,
sisaldab värvitooni (hue) ja küllastuse (saturation) väärtust,
ei sisalda paistvuse (brightness) väärtust
=
colour portion of the video signal including hue and saturation but not brightness

(b) = chroma (1)

piltlikult
https://c8.alamy.com/comp/BB4506/colour-wheel-demonstrating-hue-and-saturation-changes-perceived-together-BB4506.jpg

https://www.researchgate.net/profile/Klaus_Becker8/publication/23669839/figure/fig3/AS:667711701012480@1536206283008/The-CIE-Lab-coordinate-system-for-chrominance-and-luminance-Parameter-L-corresponds.png

https://www.causewaysecuritysolutions.com/uploads/1/6/8/8/16884516/1113694_orig.jpg

ülevaateid
https://en.wikipedia.org/wiki/Chrominance

vt ka
- värvilisus