rec2020

Color conversion & manipulation library by the editors of the CSS Color specifications

Read/write HDR, EXR and UltraHDR JPGs (Gain maps), includes tone mapping and color space support.

HDR10 Video capture using DeckLink

4444 color names, blue-noise sampled over the Rec2020 gamut in OKLab — evenly distributed perceptually, tiered by gamut (sRGB / P3 / Rec2020)

Turn ordinary images into PQ-tagged HDR JPEGs, compare SDR and HDR live, and learn why some logos look brighter than the page.

Export colors in wider color space with wider gamut (p3). With properly interpolated sRGB fallback.

A Material 3 Android image color picker with wide-gamut and perceptual color models, CSS Color 4, nearest RAL matching, adaptive layouts, and Ultra HDR inspection.

A blazing-fast, privacy-first, zero-upload client-side HDR PNG converter — turn any ordinary sRGB image into a true high-dynamic-range PNG with PQ (ST 2084) transfer, Rec.2020 wide-gamut color, and HDR10-compatible cICP/cHRM/iCCP metadata, entirely in your browser. Powered by Preact, Vite, and a persistent Web Worker pipeline.

Adobe Media Encoder companion that adds Rec.2100 HDR10 metadata and a YouTube SDR-hint LUT to finished exports with mkvmerge, so hardware encoding stays fast. Native C++20, custom Direct2D UI, docks inside AME.

Convert images to BT.2100 PQ HDR in a container that survives upload pipelines. Perfect for clients that ask to "make the logo pop" on social media

4K HDR cosmic animation generator using mathematical spiral dynamics. JIT-optimized (22x speedup) with Rec. 2020 color gamut support. Create stunning visualizations from dynamical systems.