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Undertone vs Hairline UI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Undertone compared with Hairline UI
DetailUndertone logo UndertoneHairline UI logo Hairline UI
What it doesSee why colors work Next.js landing page templates and free shadcn/ui components
StageNot given Not given
FoundedNot given Not given
Based inNot given IN
Pricing modelFreemium Not given
PricingFree: Original view, Temperature map, Value structure, Saturation map, Palette and Harmony for every image, 20 analyses at a time. Lifetime Premium: one-time purchase includes Composition guides, Contrast map, tinted value bands, unlimited history, full-res export. No subscription. Free: 6 templates (Loupe, Relay, Tempo, Stillform, Fourteen, Index) with account. Single template: $39 one-time. All-access: $149 one-time for all 46 templates plus future releases.
Key features
  • Palette with proportions showing dominant colors sized by image weight
  • Color harmony identification (Complementary, Analogous, Triadic, Split-complementary, Tetradic, Square, Monochromatic)
  • Temperature map showing warm and cool distribution across image
  • Value structure divided into clear zones (light, mid-tone, dark)
  • Saturation map showing vivid and muted areas
  • Composition guides identifying classic guides like golden ratio and rule of thirds
  • Contrast map showing where the eye lands first (Premium)
  • Painter-friendly color names (Yellow Ochre, Payne's Gray, etc.)
  • Local device processing with no image uploads
  • Works offline with no account required
  • 158 free shadcn/ui components
  • Motion-designed interactions
  • MCP server integration for coding agents
  • Single config file customization
  • Commercial license included
  • 46 templates covering AI, SaaS, agencies and fintech
  • Tailwind CSS and TypeScript
What makes it different
  • Shows color proportions, not just colors, recognizing that a 60/5 split is fundamentally different from 50/50
  • Four layers of analysis together show relationships single layers cannot reveal
  • Built by people who actually mix paint with painter-friendly vocabulary
  • Lifetime Premium with single payment, no subscription model
  • All data stays on device, no account signup required
  • Every template is a complete original site, not a color-swappable theme
  • Components install with shadcn CLI and match your app's theme
  • AI agents can install components via MCP server
  • One-time payment with commercial license, no subscriptions
  • 14-day money-back guarantee on all purchases
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check8 +3 (up) since last check
Trust Flow (Majestic)410
Citation Flow (Majestic)3222
Referring domains (Majestic)315

4 details filled in for both companies.

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