Design for the colourblind
summary
Rebrands with dozens of similar hues break data viz: a bank’s new spectrum makes pie charts unreadable and forces a redesign into spaced slices or a bar chart, which works. About 1 in 12 men and 1 in 200 women have color vision deficiency, roughly 300 million people worldwide. Practical fixes include using Color Oracle and Photoshop previews, keeping contrast at 4.5:1, limiting palettes, adding textures or icons, and adopting solutions like Trello color blind mode which proves texture plus color reliably improves legibility.
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chapters (9)
- 0:00Introduction and personal journey
- 4:20Real-world challenges of color blindness
- 9:40Understanding color vision deficiency
- 13:14Diagnosis and living with CVD
- 15:18Business case for inclusive design
- 18:12Tools and testing for accessibility
- 21:43Color plus one: adding texture and symbols
- 24:34Data visualization best practices
- 25:56Closing thoughts and call to action
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