Comparison

Chroma.js vs Colour Science for Python

No clear leader: Chroma.js (48.8) and Colour Science for Python (44.0) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Chroma.js49
Colour Science for Python44
Score
vioscaleAI score
Chroma.js49 / 100low · 38%
Colour Science for Python44 / 100low · 20%
Pricing
Free tier
Chroma.js✓
Colour Science for Python✓
Model
Chroma.jsopen_source
Colour Science for Pythonopen_source
Price level
Chroma.jsfree
Colour Science for Pythonfree
Transparent
Chroma.js✓
Colour Science for Python–
Integrations
Count
Chroma.js2
Colour Science for Python–
Adoption
Dependent repos
Chroma.js19,731
Colour Science for Python94
Github stars
Chroma.js10,600
Colour Science for Python2,664
Activity
Commits last 30d
Chroma.js6
Colour Science for Python26
Release
Cadence days
Chroma.js21
Colour Science for Python223
History
Chroma.js20 items
Colour Science for Python20 items
License
Spdx
Chroma.js–
Colour Science for PythonBSD-3-Clause
Language
Primary
Chroma.jsJavaScript
Colour Science for PythonPython
Market
Availability
Colour Science for PythonAvailable worldwide
Content
Faq
Chroma.js3 items
Colour Science for Python4 items

Capabilities

Feature-by-feature on the axes that matter for color tools. “-” means undocumented, not absent.

Capabilities
Deployment model
Chroma.js-
Colour Science for Python-
Wcag aa aaa contrast validation
Chroma.js✓
Colour Science for Python-
Image to palette auto extraction
Chroma.js-
Colour Science for Python-
Color theory ruleset locking triadic analogous
Chroma.js✓
Colour Science for Python-
Css scss variable code output
Chroma.js✓
Colour Science for Python-
Figma sketch native plugin
Chroma.js-
Colour Science for Python-
Adobe ase file export for photoshop
Chroma.js-
Colour Science for Python-
Screen level pixel eyedropper tool
Chroma.js-
Colour Science for Python-
Color blindness simulation prospects
Chroma.js-
Colour Science for Python-
Generative AI palette generation from text
Chroma.js-
Colour Science for Python-
SOC2 type ii
Chroma.js-
Colour Science for Python-
ISO 27001
Chroma.js-
Colour Science for Python-
Pricing model
Chroma.jsCompletely free ad supported
Colour Science for PythonOne time perpetual license

What each one is

The product in its own terms, so the numbers below have context.

Chroma.js

A library that extends Node Sass with capabilities for creating perceptually uniform gradients, manipulating colors across multiple color spaces, and analyzing color properties. Supports LAB color space for improved color operations.

Independently observed

Colour Science for Python

An open-source package that provides extensive algorithms and datasets for color science applications, including support for numerous color spaces, color blindness analysis, and colorimetry.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Chroma.js

Open sourceFree tier
as of verify ↗

Colour Science for Python

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
CLI
Chroma.js✓
Colour Science for Python–
Deployment
Self-hosted
Chroma.js–
Colour Science for Python✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Chroma.js

2 total
  • Observable
  • SASS
Independently observed

Colour Science for Python

Not documented yet.

Still deciding?

Chroma.js or Colour Science for Python: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.