Decisions, decisions

 I think it looks a-ma-zing with the smaller lines, but now I have a dilemma. Which colors do I want to use?? I like both blues.  The dark one is a nice contrast to the color of the turtle, but the variegated blue really looks like water.

 Here's a shot of both next to each other

 and here's a few close-ups of the detail.

So which one to I use??