Black, Going grey, Basic grey, River rock, Ruby red and Whisper white.
What a challenge! I eventually used a color scheme from a card that I had made earlier in the week...
Stamps: Big Pieces, Little Pieces and Short & Sweet
Ink: Ruby red, Going grey, Basic Black
Card stock: Whisper White, Ruby red, Going grey and Basic black
Punches: Scallop circle, 1"circle, 3/4" circle and 1 1/4" circle
(All products used were Stampin Up!)