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Color tools that think like your eyes.

Rhapsody builds design tools on a new perceptual color model called ART — so every palette, gradient, and conversion is accurate, accessible, and consistent on every screen. Start with Palette: one brand color in, a complete system out.

Now in beta testing · free to play · no color theory required
#006FFF
One brand color — the only thing you bring.
8 ramps · 104 shades ↓
You're looking at it

This entire site is built from Rhapsody. Every neutral, accent, and utility color you see — buttons, text, surfaces, borders — is one of these swatches, generated from a single color (#006FFF).

The toolkit

One model. A growing family of tools.

Every Rhapsody tool runs on the same perceptual engine — so they speak one color language and get better together.

Why Rhapsody

Not a color picker. A color system.

An ordinary picker hands you a number. Rhapsody understands the color — so the results are ones a picker simply can't produce.

Math, not AI

No models, no randomness, no “vibes.” A transparent perceptual model produces the exact same result every time — auditable and repeatable.

Perceptually even

Steps are spaced by how far apart they actually look, so every ramp reads as one smooth scale — no muddy middles, no dead darks.

Accessible by construction

Contrast falls out of the math. Legible text-and-background pairings are built in, and checked against both WCAG and APCA.

~48% more even than Tailwind — and up to 99% more true-to-color than Material 3.

The bigger idea

A universal language for color.

Hex and RGB were built for hardware, not humans — and they quietly break as color moves between screens, print, and pipelines. The way Unicode gave every character one stable identity, Rhapsody’s model, ART, gives every color one — perceptual, and intact wherever it travels.

That foundation is exactly why our tools produce results an ordinary color picker can’t — and it’s where Rhapsody is headed next.

Explore ART →

Turn your brand color into a system.

One color in, a complete accessible palette out — light and dark, ready for Figma. Free to play.