Chromablind

Create plates of coloured dots in the spirit of the Ishihara colour blindness tests.

Chromablind is a web workshop for creating illustrations made of coloured dots in the spirit of Ishihara colour blindness plates, and for exploring how perception models change the way they read. Editing happens on your device, with no account; PDF exports and advanced proofs go through a small conversion service that processes files in memory. It is a tool for creation and teaching, not a screening test.