This comment sheds a little bit of insight here: https://news.ycombinator.com/item?id=29895421 https://news.ycombinator.com/item?id=29895421. The original artic

This comment sheds a little bit of insight here: https://news.ycombinator.com/item?id=29895421 https://news.ycombinator.com/item?id=29895421. The original article chose to always go "clockwise" around the color wheel, picking up lots of different colors and giving the appearance of a rainbow, instead of taking the shorter, more naturalistic route of blending through teal & green.