Open color — Open-source UI color systems

Open color is an open-source color scheme for UI designers and developers creating digital interfaces.

Open color is an open-source color system designed to provide balanced and harmonious palettes for digital interfaces. This tool is built specifically for designers and front-end developers who need a reliable color framework that ensures consistent contrast and accessibility across web applications. By providing a structured library of colors, it eliminates the guesswork involved in selecting shades for UI elements like buttons, backgrounds, and text. The system offers thirteen distinct color scales, each containing ten steps of brightness. Every color is meticulously calibrated to maintain visual weight across different hues, making it easier to build cohesive themes. Business owners can use Open color to establish brand guidelines that remain readable and professional across various screen types. The library is optimized for technical implementation, offering variables for CSS, SCSS, Less, and Stylus directly out of the box. Integrating these palettes into your workflow via surfai.app helps maintain design consistency as your product scales. Because the system is open-source, it allows for complete customization and commercial use without licensing restrictions. This makes it an ideal choice for startups looking to build high-quality interfaces without investing in custom color theory consulting from day one. Open color is completely free to use under the MIT License for all personal and commercial projects.

Specifications

Pricingfree
IntegrationsGitHub, Figma微, Adobe Photoshop, Sketch, InVision
Best forweb-developers, ui-ux-designers, brand-managers, frontend-engineers
Website status checked2026-10-24T00:01:02.769+00:00

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