Why does Chrome display colors differently than Safari and Firefox when an external monitor is connected?

Color Inconsistencies between Chrome, Safari, and Firefox

In certain instances, users have observed discrepancies in color rendering between Chrome and Safari/Firefox. For instance, while CSS specifies #FF3A00, Chrome displays it as #FF0000. This discrepancy affects multiple colors, as #FFAF00 renders as #FFA400 in Chrome according to the Color Meter.

Resolution

The situation is resolved by simply restarting Chrome. This issue arises when an external monitor is connected, as Chrome's color rendering becomes inaccurate.

Technical Explanation:

On macOS, Chrome requires a restart to obtain the appropriate monitor profile information from the operating system following a monitor or profile change (e.g., switching between a laptop display and an external monitor). This is because Chrome's color rendering relies on the monitor's color profile to accurately display colors. Without a restart, Chrome may continue to use an outdated profile, leading to color inconsistencies.

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