Here's the guide:
May 1st - White [Done]
May 2nd - Yellow [Done]
May 3rd - Orange [Over done by me] :P
May 4th - Light Green
May 5th - Dark Green
May 6th - Blue
May 7th - Purple
May 8th - Red
May 9th - Brown
May 10th - Black
May 11th - Silver (greys will do, shiny white OR mostly black with a lil white)
May 12th - Gold (golden shades of yellow will do OR mostly black with a lil yellows)
May 13th - Sky Blue (or blue&white OR mostly black with a lil sky blue)
May 14th - Blood Red (mostly black with a lil red OR just scary red avatars will do, since he call it blood...)
May 15th - TV Star (wear lots of colours! No monotones, rainbows!)
May 16th - Default Avatars
Sorry, this is really late and very last minute because I have guests and I'm quite busy today. :(