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A Python and R IDE that pairs script and notebook editing with live data exploration tools.

Inspect device colour ranges, profile conversions and measurement data.

Convert colour spaces and model perception-related transformations in Python.

Use the Mac colour panel with shortcuts, recent colours and palette export

Build colour scales around shared lightness levels and contrast checks.

Chain colour transformations while keeping earlier values unchanged.

Convert colours and generate data scales through a JavaScript API.

Use versioned colour scales designed for accurate data communication.

Train a personal colour generator and search its combinations.

Compare how six picker models organize colour choices.

Browse curated palettes by colour, mood, season and popularity.

Shape multi-step colour scales with curves, locked colours and code exports.

Use a curated dataset of colour names and hex values.

Scientific employment and career resources from AAAS and Science

Choose scientific colour maps to match the structure of your data.

Build palettes from community choices and carry their credits into exports.

Nuclear science and technology learning from the IAEA

Build colour harmonies with an RYB wheel and export palettes for design apps.

CC0 punk and science-fiction character drawings

Pick a physical screen pixel and paste a colour value in your code style

Sample a foreground and background pair and copy its contrast report.

Generate programmable palettes from anchor colours and curved paths.

Apply an image’s dominant colour to its surrounding web element.

Manipulate common colour representations with a small Python interface.