You also only really need the video to push the browser to do things in HDR. You can’t express a CSS colour way outside the normal range, but blending calculati

You also only really need the video to push the browser to do things in HDR. You can’t express a CSS colour way outside the normal range, but blending calculations are not clamped so can be used to get the colour. https://github.com/kiding/wanna-see-a-whiter-white https://github.com/kiding/wanna-see-a-whiter-white was posted here a while ago and demonstrated the technique.