ansi_colours is used at run time in 37 crates (of which 6 optionally, 10 directly). It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) ansi_colours version
13K 14 bat ^1.0
3.7K 6 viuer ^1.0
1.6K broot ^1.0
1.2K git-delta ^1.0.1
270 5 prettyprint ^1.0.1
230 hors ^1.0
accepted ^1
bankroll ^1.0.1
dircolors-hd ^1.0
vivid ^1.0