Taking a look now.
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The differences are subtle, but I am able to confirm the issue. Here's a side-by-side with RGB values. Left is Brave. Right is Edge.
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GIF
Looks like @vivaldibrowser and Chrome produce the same color as @brave (on my machine). Checking a few more things.
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Top to bottom: Brave (c62), Vivaldi (c61), Chrome (c62), and Edge. The first 3 are in unison regarding the on-screen pixels. Maybe hardware.
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GIF
Wow, I was on Chrome 61 and after updating to 62 colors appear the same. There is a visible difference with @MSEdgeDev and @firefox
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Looks like a similar issue (to the one @ericlaw referenced) was also filed against the Edge team—closed as wont-fix. developer.microsoft.com/en-u…
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The great thing about web standards is.... Cc @davidbaron
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Sounds like something related to support (or not) for color management.
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No normative spec ensuring interop?
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It's been normative since at least a decade before anyone followed it...

Oct 30, 2017 · 8:06 PM UTC

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