← Kaira Prime toolskairaprime.com/tools/color

Color converter, palette generator & contrast checker

Pick a color and convert live between HEX, RGB(A), HSL(A) and HSV, generate a shade/tint scale plus complementary, analogous & triadic harmonies, and check WCAG contrast between any two colors — right here in your browser.

Every feature. No limits. No sign-up. No watermark. Nothing uploaded. Free forever. It runs 100% in your browser — colors are computed on your own device and never touch a server, so there is nothing to upload, nothing to unlock, and nothing to pay for. Unlike tools that gate palettes or contrast checks behind a paywall, this one gates nothing.
Click any swatch or value to copy it. Every HEX, RGB, HSL and HSV string, and every palette swatch, copies straight to your clipboard.

Pick & convert

HEX
RGB
HSL
HSV
RGBA
HSLA
Alpha 100%

Shades & tints

Steps9

Harmonies

Complementary

Analogous

Triadic

WCAG contrast checker

Text color
Background color
contrast ratio
Aa — sample heading text
The quick brown fox jumps over the lazy dog.
Normal text · AA (≥4.5)
Normal text · AAA (≥7)
Large text · AA (≥3)
Large text · AAA (≥4.5)

A free tool by Kaira Prime — an independent software studio. Built local-first, like everything we make. Every feature. No limits. No sign-up. No watermark. Nothing uploaded. Free forever. More free, in-browser tools: kairaprime.com/tools →

Free forever — made by Kaira Prime. An independent software studio. Building a product, or hiring a backend / AI-tooling engineer? See the work →  ·  Work with us →