Field notes

OKLCH guides for production color

Practical OKLCH guides covering ramps, color wheels, image extraction, gamut mapping, accessibility, CSS, Tailwind and design-token handoff.

Online workflow · 7 min

OKLCH Color Palette Generator Online: A Local-First Workflow

Use an online OKLCH palette generator without uploading colors or images. Build, check, share and export a production-ready palette in one browser tab.

Interactive wheel · 7 min

OKLCH Color Palette Generator Wheel: Hue Without the Guesswork

Use an OKLCH generator wheel for analogous, complementary, split, triadic and tetradic palettes while keeping lightness, chroma and gamut explicit.

Free tool · 6 min

A Free OKLCH Color Palette Generator With Production Exports

Generate free OKLCH ramps, harmonies and image palettes with gamut and contrast checks plus CSS, Tailwind v4, DTCG JSON and SVG exports.

Installable web app · 5 min

OKLCH Color Palette Generator App: Install the Browser Tool

Install the OKLCH palette generator as a lightweight web app, work offline after the first visit and keep image extraction on your device.

Color fundamentals · 8 min

What Is OKLCH? Lightness, Chroma and Hue Explained

Understand OKLCH lightness, chroma and hue, how its CSS syntax works, and why perceptual coordinates make color ramps easier to reason about.

Local image color · 7 min

OKLCH Color Picker From an Image — Private, Local Extraction

Extract an OKLCH palette from an image locally in the browser, then map the colors to sRGB or P3 and export design tokens without an upload.

Color theory · 8 min

OKLCH Color Wheel: Hue Angles, Chroma and Display Gamut

Read an OKLCH color wheel correctly: understand hue angles, chroma radius, lightness slices and the uneven boundaries of sRGB and Display P3.

Color conversion · 8 min

OKLCH to HEX: Convert Without Hiding Gamut Mapping

Convert OKLCH to HEX with an explicit sRGB gamut-mapping step, inspect ΔEOK and keep the original OKLCH value alongside its fallback.

Technical design · 10 min

How This OKLCH Palette Generator Works

A technical walkthrough of OKLCH parsing, ramp curves, gamut mapping, WCAG and APCA contrast, local image clustering and token exports.

Design system workflow · 10 min

Building an OKLCH Color System: Roles, Ramps and Contrast

Build an OKLCH color system from raw ramps to semantic tokens, target-gamut fallbacks, accessible component pairs and source-controlled handoff.

First-hand tool audit · 9 min

OKLCH Palette Generators Compared: Five Different Workflows

A first-hand July 2026 comparison of oklch.fyi, ColorMeUp, Palettt, Atmos and oklch.com across generation, gamut, contrast, exports and mobile use.