since i am the one responsible for it i might as well fix it, as someone said
i know this has been incorporated into mvdsv/ktx but there might still be servers who don't have it so to just be sure
its for linux only atm :>
you need the ip_queue module loaded
then setup your iptables like this
iptables -A OUTPUT -p udp --sport 27001 -j QUEUE
iptables -A INPUT -p udp --dport 27001 -j QUEUE

"27001" is your qport if thats different change it
then just run
http://jogi.netdome.biz/rcolor.pl
don't forget to install the packages used in the script and replace "192.168.222.2" with whatever your pcs ip is
have fun

What is the use of this?

So that non color clients (fuhquake) can get a useful experience out of playing with color script people.