Sea urchin as printed in the book: a line drawing with a light gray shading guide Sea urchin colored in: the finished color reference
ColoredAs printed
Sea urchin, plate 31 of Quiet Ocean. Drag across the page to compare the color reference with the drawing as printed.

Quiet Ocean · Plate 31 of 45

Sea urchin color reference

Sea urchins are round, spiny echinoderms that live on rocky and reef sea floors. Their mouth is on the underside and has five teeth for scraping algae off rocks. They move on tube feet between their spines.

Colors to reach for

Use deep purple or near-black for the spines with lighter tips, and add hints of red or violet where the light catches them.

  • deep purple
  • black
  • violet
  • red
  • lilac

More from Quiet Ocean

See all