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A free, open-source notebook for organizing notes in the browser or on desktop.

Shape-led digital painting with colour jitter and lasso fills

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.

Explore photograph-based palettes with copyable hex colours and related combinations.

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.

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

Build desktop applications with JavaScript, HTML, and CSS using a Chromium and Node.js runtime.

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.

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.

Grade images directly with exposure guides and adjustable film responses.