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.
Courses exploring the JavaScript ecosystem
Create device-specific colour profiles and check display consistency.
Connect browser colour picking with shareable palettes and scales.
Explore photograph-based palettes with copyable hex colours and related combinations.
Choose a React colour picker or compose one from building blocks.
Derive page backgrounds and gradients from the images they surround.
Practical JavaScript and React development articles
A written introduction to JavaScript and browser-console work
Generate interface themes from target contrast ratios and colour scales.
Use named colour levels across interface code and design swatches.
Build colour scales and preview their roles in interface layouts.
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.
Search palette ideas by theme or hex value and export the colours
Edit colour stops and transparency while viewing the resulting CSS
Cycle through palettes with adjustable hue, lightness and interpolation.
A book series about JavaScript's underlying mechanisms
AI icon generator that turns short text prompts into app icons in under a minute.
A self-hostable metasearch fork with additional engines and fallback
Measure displays, generate colour-correction tables and verify the result.
View text contrast through different vision and lighting simulations.