I built a theme engine for white-label apps using OKLCH color science
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I worked on many apps where each customer needs their own branded theme.The problem is that you can't just shift hue and call it a day. Yellow at 50% lightness looks completely different from blue at 50%.That's why I built this library to generate perceptually uniform themes. Zero dependencies, runs at runtime, outputs CSS vars, Tailwind tokens, SCSS, or JSON. Ships with presets for shadcn/ui and MUI.try it out quickly: npx hextimate "#006677"
HN · launched Apr 6, 2026 · 5 upvotes (top 89%) · 0 views
Niche: color palette generator software · 46 launches, 5 in the last 7 days · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 46 launches in color palette generator software →
Could you build this?
Yes It is a client-side color science utility library implementing well-documented OKLCH mathematical conversion formulas and contrast algorithms to produce CSS palette variables.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one : 265 launches clear the similarity bar, closest 8 shown.
Attention rank: #245 of 266 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 154 days after the earliest competitor.
- An OKLCH-based perceptually uniform color system/theme builder · hn · 2025-11-23 · 5 upvotes · similarity 0.72
- Color Studio — OKLCH palette tool · ph · 2026-10-13 · 10 upvotes · similarity 0.52
- hueful · github · 2026-10-07 · 20 upvotes · similarity 0.51
- Simple algorithm and color space to generate diverse skin tones · hn · 2026-08-04 · 627 upvotes · similarity 0.51
- Themeable HN · hn · 2026-04-20 · 8 upvotes · similarity 0.50
- Themery · hn · 2026-04-16 · 5 upvotes · similarity 0.49
- kicad-tokyo-night-schematic · github · 2026-10-11 · 16 upvotes · similarity 0.47
- Color template website · ph · 2026-11-09 · 1 upvotes · similarity 0.47
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