
What it costs
- Free tier
- Yes
Free open-source accessible color-contrast generator (also an npm package), no paid plan.
Auto-checked on 8 August 2026Source
About Randoma11y
What Is Randoma11y?
Randoma11y is a free color palette generator designed to help designers and developers create accessible color combinations without manual testing. As a web-based tool in the color-tools category, it automatically generates random pairings of foreground and background colors that meet WCAG accessibility standards. Each combination is tested to ensure sufficient contrast ratios, making it possible to explore color options while maintaining compliance with accessibility guidelines.
What Randoma11y Does
- Generates random color pairings that meet WCAG contrast standards automatically
- Displays detailed contrast ratios for each color combination to show accessibility compliance
- Provides visual previews of how colors appear in real design contexts, including buttons, text, and icons
- Allows users to toggle between AA and AAA level WCAG guidelines based on project requirements
- Requires no coding knowledge or configuration—simply refresh to explore new combinations
- Tests combinations against the 4.5:1 contrast ratio standard for normal text and 3:1 for large text
How Randoma11y Can Be Used
Randoma11y serves as both an inspiration tool and a practical solution for accessible design. Designers can use it to explore color possibilities quickly when starting a new project or refresh an existing palette. Developers implementing custom theming can rely on it to find color combinations that automatically satisfy accessibility requirements. It is particularly useful when you need to validate whether specific color pairings meet WCAG standards before implementation, or when you want to discover trendy color options while ensuring compliance without extensive manual contrast checking.
Who Is Randoma11y For?
Randoma11y is ideal for web designers, developers, and design teams who prioritize accessibility in their work. It serves designers seeking color inspiration without sacrificing inclusive design principles, developers building accessible interfaces, and organizations documenting brand color accessibility for internal guidelines. The tool works well for anyone creating websites, applications, or digital products that need to meet accessibility standards, regardless of experience level. Because it requires no technical setup or coding knowledge, it is equally useful for beginners learning about color contrast and professionals managing large-scale design systems. Visit Randoma11y
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