Linked from
The 13 pages that link to Color depth, each with the reason it gives.
Raster graphicsRelated: It determines how many distinct values each raster pixel can encode.
Digital imageRelated: It sets how many distinct tones or colors each pixel can represent.
PixelRelated: Color depth determines how many pixel color values can be encoded.
PNGRelated: PNG’s color types and bit depths determine which pixel values a file can represent.
Pixel artRelated: Color-depth limits shaped the small palettes associated with classic pixel art.
Display P3Related: A wider gamut can make banding more visible when color depth is limited.
HexadecimalRelated: Hexadecimal color codes compactly encode channel values.
Image scannerRelated: It determines how finely the scanner records tonal and color differences.
Microsoft PaintRelated: Color depth determines how many colors an image Paint can represent.
RGBA color modelRelated: Bit allocation determines how precisely RGBA channels can be encoded.