ColorMeUp Lab

Jun 10, 2026 · via hackernews.com

OKLCH-based color scale generator built for design system token workflows.

OKLCH produces perceptually uniform palettes, solving inconsistent lightness steps that plague HSL-generated scales in design systems.

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Deep divePro

ColorMeUp Lab is a color scale generator built around the OKLCH color space, designed to help designers produce perceptually uniform palettes for design systems. Unlike HSL-based tools, OKLCH ensures consistent perceived lightness across hues, meaning your teal-500 and red-500 actually look equally bright — a subtle but meaningful improvement for accessible, polished token sets.

Why it stands out

The commitment to OKLCH rather than HSL or even HSB is a genuine technical differentiator, since perceptual uniformity is a real pain point when maintaining multi-brand or multi-theme design systems. For teams already thinking in tokens, getting scales that hold up across light and dark modes without manual tweaking is a legitimate time-saver.

Best for

Designers or design-system leads who are building or auditing a token architecture and want scientifically grounded color ramps rather than eyeballed HSL gradients.

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