Functions to set iTerm2 tab color in fish

tab_color.fish

function tab_color --description "Sets the current tab color. Usage: tab_color <r> <g> <b>"
    echo -ne "\033]6;1;bg;red;brightness;$argv[1]\a"
    echo -ne "\033]6;1;bg;green;brightness;$argv[2]\a"
    echo -ne "\033]6;1;bg;blue;brightness;$argv[3]\a"
 end
 
function tab_nocolor --description "Resets the current tab color."
	echo -ne "\033]6;1;bg;*;default\a"
end

# tab_color 63 127 255