Translations:Binds/84/en
rainbow_tee.cfg
bind a "+left; player_color_body red" bind d "+right; player_color_body yellow" bind space "+jump; player_color_body green" bind mouse1 "+fire; player_color_body blue" bind mouse2 "+hook; player_color_body cyan"
Here's an example of what a rainbow tee file looks like. You could save that in the correct path and execute it once.
exec rainbow_tee.cfg
Or if you want a key to toggle it on and off: