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color-accessibility-guide

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Colorblind-friendly palettes and accessible visualization design

When to use

• colorblind-friendly palettes
• accessible visualization design
• qualitative palettes for categorical data
• sequential palettes for ordered data
• diverging palettes for data with meaningful center
• data-ink ratio optimization
• redundant encoding
• line style differentiation

When not to use

• using jet, rainbow, or hsv colormaps
• relying solely on red-green distinction

Skill page

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