Leonardo
leonardocolor.ioGenerate interface themes from target contrast ratios and colour scales.
Generate interface themes from target contrast ratios and colour scales.
Extract image palettes with sampling, crop and colour-space controls.
Use named colour levels across interface code and design swatches.
Compare colour pairs interactively or check a complete palette in code.
Build colour scales and preview their roles in interface layouts.
Add a jQuery colour control with palettes, transparency and saved choices.
Change a colour matrix and see how it transforms an image.
Explore named colours and turn selected values into gradient steps.
See how traditional Sass colour adjustments transform a starting swatch.
Edit colour stops and transparency while viewing the resulting CSS
Cycle through palettes with adjustable hue, lightness and interpolation.
AI icon generator that turns short text prompts into app icons in under a minute.
Measure displays, generate colour-correction tables and verify the result.
Repeating SVG motifs with colour controls and CSS handoffs
View text contrast through different vision and lighting simulations.
Compare a text and background pair with editable colour values.
Attach a dependency-free colour popup to a page element.
Inspect a full-screen colour-vision simulation across applications.
Create colourful background images from several visual generators.
AI hairstyle try-on that shows haircuts and colours on your own photo.
Take a named gradient preset into an editable CSS and PNG generator
Free community photography with colour, orientation and size choices
Design and assess palettes using hue, chroma and luminance.