Alternatives to Chroma.js Color Palette Helper
A web tool for designing perceptually balanced, colorblind-safe palettes for data visualization. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Chroma.js Color Palette Helper
A web tool for designing perceptually balanced, colorblind-safe palettes for data visualization.
Replacements
Listings that take over the same core job as Chroma.js Color Palette Helper.
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 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.
