Question about color nick

Hey if you can see my nick in the active user list it is GREY and stands [MPGH] in front of it but why its not yellow cause i am vip and in my private messages it says you have 18 allowed of 0 :S

Your name [MPGH]Nurbek92 and just normal like me !!

but why its not yellow why its grey i mean i see it grey and i still can visit the vip section lol :s

Lulz,... You're the chosen emo.