It's always exciting to see an octopus. Eric spotted this one this morning (5 June 2016). It was in a low tidepool with lots of surfgrass (Phyllospadix sp.). Perhaps the octopus was matching the greenish background of the surfgrass?
The green coloration was beautiful. Below is a closeup of the eye and surrounding skin.
Recently, a number of octopus like this one (Octopus rubescens) have been observed in local tidepools. Perhaps it will be a good year for octopus?
P.S. This is a bit of a prelude to World Oceans Day on June 8th. How will you celebrate the oceans?