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ColorBox

Free#12 of 34 in Color Palette GeneratorsFigma Plugins

ColorBox: A free web tool for systematic, accessible UI color scales. Ranked #12 of 34 in Color Palette Generators by our editors (7.1/10); pricing: Free plan; best for developers creating systematic UI color scales.

7.1/10Editor score
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ColorBox7.1 Visit ColorBox

At a glance

  • Editor score
    7.1 / 10
  • Pricing
    Free plan
  • Best for
    Developers creating systematic UI color scales
  • Free plan
    Yes
  • Paid from
    Free
  • Palette methods
    Generate
  • Founded
    2018 · San Francisco, United States
  • Facts checked
    20 Sep 2026
ColorBox screenshot

  • Where it wins

    • Builds multi-step scales with HSV and OKLCH controls
    • Includes contrast levels, dark-mode variants, and color locking
    • Exports CSS, Tailwind, OKLCH, Swift, JSON, and configuration

  • Where it doesn't

    • Does not extract palettes from images
    • Figma is its only listed integration
    • Web-based access may not suit teams seeking a native app

Our verdict on ColorBox

ColorBox is a browser-based color-system generator for designers, developers, and product teams creating systematic interface palettes. Rather than extracting colors from photographs, it generates multi-step scales by adjusting hue, saturation, brightness, easing curves, rotation, and color space. Its focus is structured UI color work, with controls for HSV and OKLCH modes, contrast indicators, dark-mode variants, locked colors, and configurable major and minor steps.

The product’s free model makes the full generation workflow accessible without a paid tier structure. Its standout capability is the combination of color-system controls and accessibility-oriented feedback: users can view contrast ratios at 3:1 and 4.5:1 levels while shaping a palette. Inverted and dark-mode sets help extend a color system beyond a single light interface. Shareable URLs and JSON output support handoff, while exports cover configuration, CSS, Tailwind, OKLCH, and Swift formats.

For platform fit, ColorBox runs on the web and provides a Figma workflow for importing generated color systems. That makes it useful when a team needs to move a systematic palette into design work and then pass implementation-oriented outputs to developers. Its scope is narrower than a palette tool built around image extraction, and Figma is the only listed integration. Choose ColorBox if you need adjustable, accessibility-aware UI scales with technical exports at no cost. Choose an alternative if your primary task is pulling palettes from images, connecting to a broader ecosystem, or working in a native application.

Your product? Our editors can test ColorBox in depth and publish a review, labelled as paid · from $149/mo →

ColorBox pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on colorbox.io

ColorBox fact sheet

Free planYes
Paid fromFree
Palette methodsGenerate
Image extractionNot verified
Accessibility checksYes
Export formatsConfig, Output, Tailwind, CSS, OKLCH, Swift
Saved palettesNot verified
Brand color libraryNot verified
Print color supportNot verified
DeploymentCloud
PlatformsWeb
Built forSmall business, Mid-market, Enterprise (editorial estimate)
Integrations1 integrations: Figma
PricingFree plan
Websitecolorbox.io
Facts checked20 Sep 2026

ColorBox integrations

ColorBox lists 1 integrations on its own site.

  • Figma

Alternatives to ColorBox

See all ColorBox alternatives →

Also Ranked In

ColorBox is ranked in 2 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — ColorBox 7.1/10

ColorBox is listed in our Color Palette Generators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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