3 ms·
One caveat, if viewing this image on a high-dpi display there will be blurring from image upsampling by the browser. My eyes have the same result as yours: the
by raphlinus 7y ago
One caveat, if viewing this image on a high-dpi display there will be blurring from image upsampling by the browser. My eyes have the same result as yours: the white line appears thicker than the black one.
Here's the interesting thing about your observation: doing alpha compositing of text in a perceptual space (as opposed to a linear space) results in a thickening of black-on-white and a thinning of white-on-black. So doing gamma "wrong" actually results in better perceptual matching.
Do you have evidence that either Apple or Adobe varies the amount of stem darkening based on text luminance? I've tested Apple (macOS 10.12 most carefully) and have not seen this.
- glowcoil 7y agoI don't think they actually take luminance into account (although I personally like the idea); I just meant that they solve the problem of "black-on-white text looks too thin" by thickening the text, rather than messing up other parts of the pipeline.
- raphlinus 7y agoAbsolutely, and I think there's a very strong case to be made for that. One of the points I'm trying to make is that you have to solve it somewhere. People who focus narrowly on "correct gamma" often miss this, especially when "incorrect gamma" is also plausibly a workable solution.