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About Chroma.js Color Palette Helper
The chroma.js palette helper is an interactive page for building color palettes for charts and maps. It aims for palettes that step evenly in perceived lightness and that remain distinguishable for people with color vision deficiencies.
It is built on the chroma.js color library. It suits data journalists, analysts and visualization designers who need sequential or diverging color scales that read correctly, rather than general-purpose decorative palettes.
Strengths
- Focuses on perceptually balanced color steps
- Checks palettes for colorblind safety
- Aimed at charts and maps
Limitations
- Specialised for data visualization rather than UI themes
- Plain interface with little guidance
Details
- Pricing
- FreeFree to use in the browser.
- License
- Proprietary
- Developer
- Gregor Aisch
- Platforms
- Web
- How it runs
- Web application
- Account
- Not required
- Best suited for
- Building readable color scales for charts and maps
- Categories
- Color tools
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Chroma.js Color Palette Helper
Compare allSoftware that can replace Chroma.js Color Palette Helper for an important use case, and what changes if you switch.
ColorBrewer
A web tool for choosing sequential, diverging and qualitative color schemes for maps and charts.
ColorBrewer offers a curated, open source set of sequential, diverging and qualitative schemes with map previews and exports, instead of custom-built scales.
Data Color Picker
A web tool that builds visually equidistant color palettes for charts, maps and dashboards.
Data Color Picker builds visually equidistant palettes with single-hue and divergent modes and SVG export, but is limited to eight colors per palette.
HCL Wizard
Web tools for designing HCL-based color palettes and checking them for color vision deficiencies.
HCL Wizard designs palettes in the HCL color space with a color vision deficiency emulator and matches the colorspace packages for R and Python.
iWantHue
A web tool that generates palettes of clearly distinct colors for data visualization.
iWantHue focuses on perceptually distinct categorical colors with a colorblind-friendly option and JSON, CSS and JavaScript export, though colorblind optimisation is slow.
Leonardo
Adobe's web tool for generating accessible color themes and scales from target contrast ratios.
Leonardo is open source and includes separate data visualization scale tools alongside contrast-based UI themes, with exports to CSS, Design Tokens and SVG.
Viz Palette
A web tool for testing data visualization color palettes, including color vision deficiency simulation.
Viz Palette tests chart palettes for color vision deficiencies and distinguishability at different sizes, but does not generate palettes itself.
Similar software
Related functionality, not necessarily a direct replacement.
Coblis
A browser-based simulator that shows how an image looks to people with color vision deficiencies.
Huetone
An open-source web tool for building predictable, accessible color palettes in the LCH color space.
Accessible Palette
A web tool for building color systems with consistent lightness and WCAG contrast across hues.
Scale
A web tool that generates a smooth color scale from a single base color.
ColorBox
A web tool for building accessible color scales from adjustable hue, saturation and brightness curves.
WhoCanUse
A web tool showing how a text and background color pair looks to people with various vision conditions.
