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A little wonder, every day

Color counts depend on the method

AI-generated conceptual illustration of the eye and color vision; no exact color count is represented. Generated 2026-10-29. Prompt: “Vertical 4:5 editorial science illustration about human color vision: close-up human eye with a subtle prismatic spectrum and three stylized cone photoreceptors in retina, surrounded by a range of color swatches blending continuously. Clean educational textbook style, scientifically tasteful. No text, numbers, labels, or exact color count.”

AI-generated conceptual illustration of the eye and color vision; no exact color count is represented. Generated 2026-10-29. Prompt: “Vertical 4:5 editorial science illustration about human color vision: close-up human eye with a subtle prismatic spectrum and three stylized cone photoreceptors in retina, surrounded by a range of color swatches blending continuously. Clean educational textbook style, scientifically tasteful. No text, numbers, labels, or exact color count.”

Listen to fact0:00 / —

A common estimate says people can distinguish about 10 million colors, but the exact number depends on what counts as a separate color and how it is tested. A study of 50 natural scenes estimated a color volume of about 2.3 million distinguishable colors; when lightness was ignored, the estimate was about 26,000. These are results from a particular model and image set, not a universal counter of the colors every person can see.