ReefCodex
Know your coral by its actual colors — not a guess.
Post a photo of anything in your reef and we'll help you name it — matched against real, element-by-element trait data, not a feed of lookalike photos to scroll.
Walt Disney Acropora (Acropora)The old way
Post a blurry photo to a forum or a Facebook group and wait for someone to guess — "looks like a Walt Disney to me" — based on whatever it happens to look like under their monitor's white balance.
The registry way
Real sampled hex colors for Walt Disney Acropora, element by element:
Growth tip / edge
Body / skin
Branch polyps
Polyps / tentacles
A living reference, one entry at a time
406 corals catalogued across 75 genera — browse them all →
Free calculators, no account
The Reef Toolbox answers the questions that come up while you're standing in front of the tank — everything runs in your browser. Open the Toolbox →