Terminal Color Checker
Some terminal color checker scripts:
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Changing foreground:
for c in {0..255} ; do tput setaf $c ; printf "%03d" "$c" ; tput sgr0 ; echo ; done | less -r
-
Changing background:
for c in {0..255} ; do tput setab $c ; printf "%03d" "$c" ; tput sgr0 ; echo ; done | less -r