KolourPaint
apps.kde.orgKDE raster drawing with selective colour replacement and close-up editing
KDE raster drawing with selective colour replacement and close-up editing
Generate a palette, pull colours from an image and export reusable swatches.
Create device-specific colour profiles and check display consistency.
Parse CSS colour strings and build adjusted values in JavaScript.
Add a configurable colour picker to ordinary web input fields.
Build a resizable colour picker with optional fields and alpha controls.
Choose a React colour picker or compose one from building blocks.
Shape an OKLCH palette and export it as swatches, gradients or shader code
Generate interface themes from target contrast ratios and colour scales.
Compare colour pairs interactively or check a complete palette in code.
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
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.
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.
Generate intermediate colours between chosen endpoints.
Take a named gradient preset into an editable CSS and PNG generator
Free community photography with colour, orientation and size choices