Colorblind, but Why Can't I See Anything?
summary
Presents evidence that about 8% of men and 0.5% of women have color vision deficiency using Ishihara plates (many see “42”, some only “4”, while an inverted plate shows “45” to color‑blind viewers). Recommends three practical fixes for designs: use high contrast, add non‑color cues (bold/italic/position), and attach pictograms or shapes to color labels; describes a color‑and‑shape mapping for primary/secondary colors that makes choices readable for color‑blind users.
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chapters (7)
- 0:00Introduction
- 1:03What is color blindness
- 3:51Color blindness variations
- 4:33Daily color perception
- 5:59Ishihara test reversed
- 7:44Adaptation and accessibility
- 12:42AI and accessibility
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