help meee!! ive got a few greys coming and i think its time to start dyeing the old locks to cover em up! problem is, which home dye kit to use? and im too scared to do it because the colour i am now is not entirely "au naturally" me- basically i sprayed on sum of jerome russels gradual lightening spray ages ago and i m too scared to dye it myself incase it goes green or something!!can't afford to go the hairdressers every 6 weeks so ive got to do something myself, any hair people out there please give me a clue