OneTimeSuite Blog · 2026

Paletteforge vs Coolors Pro: Open Source vs Subscription

Paletteforge and Coolors Pro solve the same problem from opposite directions: one is source-available software you can own outright for $15, the other is a subscription at $5.99/mo run entirely on someone else's servers.

Head to head

PaletteforgeCoolors Pro
Price$15 once$5.99/mo ($72/yr, forever)
Cost over 3 years$15$216
Export limitsNoneCapped on free tier
Palette from imageIncludedPro only
Contrast checkerIncludedIncluded
Tailwind / ASE exportIncludedPro only
Account requiredNoYes for Pro
Source codeMIT, on GitHubClosed

What Paletteforge does well

  • Generate & shuffle palettes — Spacebar-driven random palette generation, five colors at a time.
  • Lock colors while regenerating — Keep the ones you like, reroll the rest until the palette clicks.
  • WCAG contrast checker — Instant AA/AAA pass-fail for any foreground/background pairing in your palette.
  • Export to CSS, Tailwind, ASE, PNG — Drop straight into a codebase or design tool — no manual re-typing of hex codes.

What Coolors Pro still does better

There's a real reason Coolors Pro costs what it does: a bigger team, broader integrations and dedicated support behind it. If that ecosystem is genuinely what you need, it's worth paying for.

Which one should you pick

If your workflow depends on Coolors Pro's specific integrations or you'd rather not run anything yourself, stay put — that's a legitimate call. If you're comfortable owning the tool and want to stop paying $5.99/mo for a job your own hardware can do, Paletteforge pays for itself and then some: three months of Coolors Pro costs more than Paletteforge does, once, forever.

Try Paletteforge — $15, once

Palette generator with lock/shuffle, contrast checking, and CSS/Tailwind/ASE export — fully offline.