Color Palette Generator
Generate five hex tints and shades from a single base color.
🖌️ Design tools
CSS generators and design helpers for the web. All free, all running locally in your browser.
Color Contrast Checker
Measure WCAG contrast between two hex colors for text and interface graphics.
CSS Specificity Calculator
Calculate CSS selector specificity as an (inline, ID, class, element) tuple.
Aspect Ratio Calculator
Solve width, height and simplified aspect ratios without breaking proportions.
PX to REM Converter
Convert CSS px and rem using a configurable root font size.