Color & Design

Convert colors, check contrast, and generate CSS.

ClientRuns entirely in your browser

HEX ↔ RGB ↔ HSL

Convert colors between HEX, RGB, and HSL notations.

ClientRuns entirely in your browser

Contrast Checker

Check color contrast ratios against WCAG AA and AAA accessibility levels.

ClientRuns entirely in your browser

Shadow & Gradient CSS

Generate box-shadow and CSS gradient code with a live preview.

© 2026 Jalu Wibowo Aji — Toolkit, privacy-first web utilities. Everything runs locally. Nothing is ever uploaded.