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SDR means Standard Dynamic Range (standard NTSC/sRGB colorspace)
Your browser is SDR if you do not see any flashing text.WCG means Wide Color Gamut (greener greens, redder reds, bluer blues, DCI-P3 or Rec.2020)
Your browser has WCG enabled if you see "WCG" flashing.HDR means High Dynamic Ranges (brightnesses brighter than normal RGB colorspace)
Your browser has HDR enabled if you see "HDR" flashing.
- Chrome - supports WCG & HDR (Windows / Mac)
- Edge - supports WCG & HDR (Windows / Mac)
- Brave - supports WCG & HDR (Windows / Mac)
- Safari - supports WCG only (MacOS / iOS / iPadOS)
- FireFox - supports WCG only on MacOS only (not Windows)
Make sure you have an HDR capable display, and HDR is enabled in your operating system. Then update to latest version of Chrome/Edge/Brave and enable "Experimental Web Platform Features" in chrome://flags -> Restart Browser.
To quickly enable/disable HDR canvas support in Chrome/Edge/Brave, copy & paste below URL to your browser address bar.
Then make sure "HDR" shows at bottom-right corner of animation.
