After changing the login page showcase image, the banner or color block still shows the old image's color. How do I fix this?

The login page banner color is calculated from the showcase image at the moment you save the layout in the settings page, and it remains fixed. Changing the image does not automatically recalculate it. How to fix: After uploading the new showcase image, go to Login Page Subdomain Settings → Login Page Layout and click the current layout card again to resave it. The color will be recalculated based on the new image. If you prefer to use a fixed brand color instead of extracting color from the image, change Brand Color to "Use Catalog Brand Color". The brand color is set in Company Profile → Appearance and Language → Catalog Appearance.

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