Find the closest match to a design using human-perception accuracy. Convert colors between hex, RGB, HSL, HWB, CMYK, LAB, OKLAB, LCH, and OKLCH formats. Identify matches in Tailwind, Apple HIG, Bootstrap, and other design systems.
Learn Ruby programming with guided lessons on your phone. Complete exercises and track progress. Access code examples and practice writing scripts. Receive feedback on code submissions. Sync learning history across devices.
QR Tools let users generate high-quality QR codes from text or URLs and scan them with the camera or import images. They can save QR codes to Photos. Color tools convert between HEX, RGB, and HSL formats.