Linked from
The 35 pages that link to Luminance, each with the reason it gives.
JPEGRelated: JPEG preserves brightness detail more strongly than color detail in common workflows.
PointillismRelated: Dot size and spacing help shape apparent light and shadow.
Black-and-white cinematographyRelated: Monochrome images encode brightness differences without hue.
Lighting designRelated: It relates surface brightness to glare and visual comfort.
AfterimageRelated: Brightness structure, as well as hue, can persist or reverse in an afterimage.
VisibilityRelated: Target and background luminance determine the contrast available for detection.
SECAMRelated: SECAM keeps brightness separate from its transmitted color-difference information.
GreyRelated: Different luminance levels distinguish light grey from dark grey.