20160609-CBC13 Red Green Complementary Color, Bill Perkin’s study Post author By Jana Bouc Post date July 28, 2016 No Comments on 20160609-CBC13 Red Green Complementary Color, Bill Perkin’s study Tell me your thoughts in a comment and I’ll reply here. Tick "Notify Me" to get my reply by email. Cancel reply Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.