This example is 25% semi-opaque red and 75% semi-opaque green. mixed in sRGB. Both the correct (premultiplied) and incorrect (non-premultiplied) workings are shown. color-mix(in srgb, rgb(100% 0% 0% / ...
there is a css directive with transparent background color set to important with media print. if you have a lot of divs with dynamic background color on your page, and you want that color to be ...