# Chroma.js

- **Canonical URI:** https://www.vioscale.ai/software/chroma-js
- **Category:** Color Tools
- **Homepage:** https://gka.github.io/chroma.js
- **Also known as:** chroma-js
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:15:10.731Z

## Vioscale score

**38.7 / 100**, confidence 28% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 0 | 0.07844444444444446 | 0 | - |
| repo_stars | 75.9 | 0.026 | 2 | ✓ |
| integrations | 13.7 | 0.07033333333333334 | 1 | ✓ |
| dependent_projects | 71.6 | 0.063 | 4.5 | ✓ |
| dev_activity | 0 | 0.094 | 0 | ✓ |
| release_cadence | 88.3 | 0.052 | 4.6 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 33 | 0.042 | 1.4 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-18, [verify at source](https://gka.github.io/chroma.js). Independently observed._

Open source

## About

A dependency-free JavaScript utility that parses colors from various formats, performs color manipulation and analysis, and generates color scales through interpolation—useful for data visualization and mapping applications.

_Independently observed._

## Platform & deployment

- **Platforms:** Web

## Integrations (2)

_Independently observed._

- Observable
- SASS

## Release history

| Version | Date | Type |
|---|---|---|
| [v3.2.0](https://github.com/gka/chroma.js/releases/tag/v3.2.0) | 2025-11-28 | stable |
| [v3.1.4](https://github.com/gka/chroma.js/releases/tag/v3.1.4) | 2025-11-27 | stable |
| [v3.1.3](https://github.com/gka/chroma.js/releases/tag/v3.1.3) | 2025-10-29 | stable |
| [v3.1.2](https://github.com/gka/chroma.js/releases/tag/v3.1.2) | 2024-10-13 | stable |
| [v3.1.1](https://github.com/gka/chroma.js/releases/tag/v3.1.1) | 2024-10-13 | stable |
| [v3.1.0](https://github.com/gka/chroma.js/releases/tag/v3.1.0) | 2024-09-08 | stable |
| [v3.0.0](https://github.com/gka/chroma.js/releases/tag/v3.0.0) | 2024-08-17 | stable |
| [v2.6.0](https://github.com/gka/chroma.js/releases/tag/v2.6.0) | 2024-07-30 | stable |
| [v2.5.0](https://github.com/gka/chroma.js/releases/tag/v2.5.0) | 2024-07-30 | stable |
| [v2.4.0](https://github.com/gka/chroma.js/releases/tag/v2.4.0) | 2022-02-03 | stable |
| [v2.3.0](https://github.com/gka/chroma.js/releases/tag/v2.3.0) | 2022-01-27 | stable |
| [v2.2.0](https://github.com/gka/chroma.js/releases/tag/v2.2.0) | 2022-01-27 | stable |
| [1.3.5](https://github.com/gka/chroma.js/releases/tag/1.3.5) | 2017-12-16 | stable |
| [v1.3.3](https://github.com/gka/chroma.js/releases/tag/v1.3.3) | 2017-04-06 | stable |
| [v1.3.1](https://github.com/gka/chroma.js/releases/tag/v1.3.1) | 2017-04-04 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=chroma-js&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 2 | [link](https://gka.github.io/chroma.js) | 2026-08-18 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://gka.github.io/chroma.js) | 2026-08-18 | 75% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | open_source | [link](https://gka.github.io/chroma.js) | 2026-08-18 | 60% (medium) |
| pricing.price_level | free | [link](https://gka.github.io/chroma.js) | 2026-08-18 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 0 | [link](https://github.com/gka/chroma.js/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 10,574 | [link](https://github.com/gka/chroma.js) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 19,731 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fgka%2Fchroma.js) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | JavaScript | [link](https://github.com/gka/chroma.js) | 2026-08-26 | 90% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 21 | [link](https://github.com/gka/chroma.js/releases) | 2026-08-26 | 70% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 3.3 | [link](https://api.securityscorecards.dev/projects/github.com/gka/chroma.js) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=chroma-js&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=chroma-js&per_page=100) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/chroma-js). Independent, evidence-based software intelligence. Cite the canonical URI.*