Although casino chips vary greatly in design and can be quite colorful, their primary colors are.
Funny how quick it was to google. I wonder why you didn't try it. Basic Poker Chip Colors and Standard Values White, $1. Red, $5. Blue, $10.
Setting value to poker chips, amount to use in Home game at the chips http:// gundemonline.org Poker - Chip number & distribution of chips for first home tourney.