Actually, there was doubt. I had been thinking that there were probably other panels that would be more interesting and informative (in terms of eye color, at least) to choose from, and that I would no doubt select one of them to color for today's sketchbook entry.
Then I spent most of my day working ahead on actual story comics and completely forgot about the sketchbook until a couple hours after it was supposed to be posted. I swiftly and bravely said "eep" and chose the easy path of this panel.
So, yeah. This panel of a comic to color selection is brought to you both by the power of diligent hard work and laziness. HOORAY!