For full disclosure, there are areas that don't look as organic as that shot shows. A few places have a bit of a troweled effect, but I don't have any pictures of them. All in all, ours is pretty natural looking, but not 100% and certainly not always the case. I've seen them having streaks which I don't think is particularly attractive. I think the coloration shows equally day or night. The slight surface undulations show only at night. Frankly, there is almost always some breeze here, or our pump is running on low during the day, so it isn't often you see through still water to the bottom. Just another confirmation of why every pool is different and has it's own unique personality.