Color
- Color Safe – Accessible color palettes based on WCAG Guidelines of text and background contrast ratios
- Contrast Grid – Test BG and FG colors
- Accessible Colors
- Accessible color palette builder – Build an accessible color palette
- Color Cube Color Checker – Tool that checks color combinations for accessibility, and lets you adjust colors until they pass. Great for tweaking brand colors.
Charts
- Designing Accessible Data Visualizations – An intro to designing accessible data visualizations
- Fizz Studio Software – Create Accessible Data Visualizations