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Display all the terminal colors that can be seen over a white or black background
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| # taken from https://misc.flogisoft.com/bash/tip_colors_and_formatting#colors2 | |
| # with a blacklist of the hardest colors to see agaist a black or white background | |
| blacklist=(0 1 7 9 11 {15..18} {154..161} {190..197} {226..235} {250..255}) | |
| #blacklist=() | |
| colors=$(printf '%d\n' {0..255} ${blacklist[@]} | sort -n | uniq -u) | |
| slot=0 | |
| for fgbg in 38 48 ; do # Foreground / Background | |
| for color in $colors ; do # Colors | |
| # Display the color | |
| printf "\e[${fgbg};5;%sm %3s \e[0m" $color $color | |
| # Display 6 colors per lines | |
| if [ $((($slot + 1) % 6)) == 4 ] ; then | |
| echo # New line | |
| fi | |
| slot=$((slot + 1)) | |
| done | |
| echo # New line | |
| done |
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