chroma.js
gka.github.ioConvert colours and generate data scales through a JavaScript API.
Convert colours and generate data scales through a JavaScript API.
Shape multi-step colour scales with curves, locked colours and code exports.
Build palettes from community choices and carry their credits into exports.
Inspect public IP and approximate geolocation data
Pick a physical screen pixel and paste a colour value in your code style
Start with a camera profile, then adjust film colour and grain.
KDE raster drawing with selective colour replacement and close-up editing
Use a skills-validated profile for contract and full-time matching
Build colour harmonies with an RYB wheel and export palettes for design apps.
Spanish invoicing, receipt capture and bank matching with plan-based automation
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.
Pick screen colours, adjust their values and keep small Windows palettes.
Use a curated dataset of colour names and hex values.
Build, mask and reuse a colour grade inside Final Cut Pro.
Sample a browser colour, inspect its element and copy an adjusted value
Shape colour transitions and copy a multi-stop CSS gradient.
Configure a standalone colour picker with swatches and opacity controls.
Connect a React or Preact colour control to application state.
Find named colours, inspect hex values and explore related shades.
Shape film colour, grain and highlight glow with separate controls.
Adjust text and background colours while checking their contrast.