The article isn’t saying that he didn’t know it was red, but rather that he wasn’t actively thinking about trying to match the color. Obviously there’s a questi

The article isn’t saying that he didn’t know it was red, but rather that he wasn’t actively thinking about trying to match the color. Obviously there’s a question of conscious vs subconscious thought, but the claim is at least that he chose red/brown because it would represent grayscale well.