Rainbow Hud (COPY & PASTE TO CONFIG):
alias colors "colors0"
alias colors0 "cl_hud_color 0; alias colors colors1"
alias colors1 "cl_hud_color 1; alias colors colors2"
alias colors2 "cl_hud_color 2; alias colors colors3"
alias colors3 "cl_hud_color 3; alias colors colors4"
alias colors4 "cl_hud_color 4; alias colors colors5"
alias colors5 "cl_hud_color 5; alias colors colors6"
alias colors6 "cl_hud_color 6; alias colors colors7"
alias colors7 "cl_hud_color 7; alias colors colors8"
alias colors8 "cl_hud_color 8; alias colors colors9"
alias colors9 "cl_hud_color 9; alias colors colors10"
alias colors10 "cl_hud_color 10; alias colors colors11"
alias colors11 "cl_hud_color 11; alias colors colors12"
alias colors12 "cl_hud_color 12; alias colors colors0"

bind d "+right; colors;"
bind a "+left; colors;"
bind w "+forward; colors;"
bind s "+back; colors;"
bind mouse1 "+attack; colors;"