OKLCH Color Tools

OKLCH Color Tools is a free browser-based color management platform for picking, converting, and testing colors in the OKLCH color space, designed for modern CSS workflows.

What is OKLCH Color Tools?

OKLCH Color Tools is a free browser-based toolkit that lets you pick, convert, and export OKLCH colors with live previews, gamut checks, and browser-aware output. It runs entirely in your browser without signup, providing copy-ready CSS output. It supports color conversion between OKLCH, HEX, RGB, HSL, LAB, and LCH formats.

Key Features

• Perceptual Picking — Adjust lightness, chroma, and hue with more predictable visual change than RGB or HSL.
• Live Format Conversion — See OKLCH, HEX, RGB, HSL, LAB, and LCH outputs update as soon as the color changes.
• Palette Generation — Build monochromatic, analogous, complementary, triadic, and tetradic palettes from a single base color.
• Contrast Checks — Review AA and AAA accessibility results before a color pair reaches your interface.
• Gamut Awareness — Know whether a color sits in sRGB, Display-P3, or Rec2020 before you rely on it.
• Browser-Ready Output — Check modern CSS feature support and plan fallbacks for real browser environments.

Who is it for?

UI/UX designers needing precise color control and contrast validation, frontend developers wanting to ship OKLCH colors with fallbacks, digital artists exploring perceptually uniform palettes, and brand designers building color systems.

What can you do with OKLCH Color Tools?

• UI designers: Validate contrast ratios for foreground/background pairs to meet accessibility standards before they become UI problems.
• Frontend developers: Convert colors to OKLCH CSS syntax and check browser support (Chrome 111+, Safari 15.4+, Firefox 113+) before shipping.
• Brand designers: Generate harmonious palettes using color theory principles (monochromatic, analogous, complementary, triadic, tetradic) from a single base color.

How does it work?

Start by tuning OKLCH values in the color picker with live preview. Then use palette generation, contrast checks, and gamut warnings to validate your choices. Finally, copy the CSS output in your preferred format (HEX, RGB, HSL, LAB, or native OKLCH).

FAQ

What is OKLCH color space and why use it?

OKLCH (OK Lightness Chroma Hue) is a perceptually uniform color space that produces more consistent visual results than RGB or HSL when adjusting lightness, chroma, and hue.

How do I convert OKLCH to HEX colors?

Use the live format converter on the page — select OKLCH as input and see HEX, RGB, HSL, and LAB outputs update in real time.

Is OKLCH supported in modern browsers?

Yes. OKLCH is supported in Chrome 111+, Safari 15.4+, and Firefox 113+.

Can I use this OKLCH picker for commercial projects?

Yes, it's free to use with no signup required. No data is collected or stored.