Last active October 27, 2024 03:40
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Bash function to convert hex to 256 terminal color.
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| # fromhex A52A2A | |
| # fromhex "#A52A2A" | |
| # BLUE_VIOLET=$(fromhex "#8A2BE2") | |
| # http://unix.stackexchange.com/a/269085/67282 | |
| function fromhex() { | |
| hex=$1 | |
| if [[ $hex == "#"* ]]; then | |
| hex=$(echo $1 | awk '{print substr($0,2)}') | |
| fi | |
| r=$(printf '0x%0.2s' "$hex") | |
| g=$(printf '0x%0.2s' ${hex#??}) | |
| b=$(printf '0x%0.2s' ${hex#????}) | |
| echo -e `printf "%03d" "$(((r<75?0:(r-35)/40)*6*6+(g<75?0:(g-35)/40)*6+(b<75?0:(b-35)/40)+16))"` | |
| } |
Author
Author
Testing:
ALICE_BLUE=$(fromhex "#A52A2A") echo $ALICE_BLUE echo $(tput setaf $ALICE_BLUE)djdjdj$(tput sgr0)
nice
Thanks to this I've created a C/C++ version
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See original code example here