wish/themes/rgb_gradient.sh

#!/usr/bin/env bash

local i
local gradient=(ffff5f 7ad767 66b097 5e7388 534d61 3a3338 121212)
local fg_gradient=(000000 000000 000000 000000 000000 ffffff ffffff)
local j=0
for i in ${WISH_PLUGINS[@]}; do
	[[ $i =~ newline$ ]] && j=0 && continue
	declare WISH_${i^^}_BG=${gradient[$j]}
	declare WISH_${i^^}_FG=${fg_gradient[$j]}
	((j++))
	if [[ $j -eq ${#gradient[@]} ]]; then
		j=0
	fi
done

j=0
for ((idx=$((${#WISH_RIGHT_PLUGINS[@]} - 1)); idx >= 0; idx--)); do
	i=${WISH_RIGHT_PLUGINS[$idx]}
	[[ $i =~ newline$ ]] && j=0 && continue
	declare WISH_${i^^}_BG=${gradient[$j]}
	declare WISH_${i^^}_FG=${fg_gradient[$j]}
	((j++))
	if [[ $j -eq ${#gradient[@]} ]]; then
		j=0
	fi
done