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Pixel painting with protected palette colours and indexed or RGB canvases

Programming lessons with online compilers close at hand

A multilingual encyclopedia with a language-aware search

A practical reference for accessible game design

Chain colour transformations while keeping earlier values unchanged.

Generate interface themes from target contrast ratios and colour scales.

Convert and interpolate colours through an extensible Python object.

Choose colours with saturation scaled to the available RGB range.

Map twelve-step colour scales to interface roles and light or dark themes.

Material 3 interface controls built as web components

Change a colour matrix and see how it transforms an image.

Game accessibility reviews written for disabled players

How AI works and what changes around it

Turn recordings into captioned clips with transcripts, highlights and publishing.

Shared foundations, tokens and patterns for collaborative products

Turn three RGB channel values into a hexadecimal colour code.

Create related palettes and CSS gradients from existing colour values.

Edit colour stops and transparency while viewing the resulting CSS

Adjust CSS colour pairs and inspect their changing contrast ratio.

Compare a text and background pair with editable colour values.

Browse compact four-colour combinations with visible hex values

Inspect colour codes, build harmonies and extract palettes from images.

Live and on-demand security training with accessible payment routes.

Compose linear, radial or conic gradients and copy the CSS.