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Changing the Logo in the Login footer under the Powered by Text.
The default logo used in the footer O3 login page is the OpenMRS SVG full color defined here. In addition to the OpenMRS logo you can configure an additional set of implementer logos in the footer that show up in the bottom right corner. By default all added logos appear in grey scale to persist with the O3 design. You can do this by providing a valid src URLs in the login frontend modules configuration schema for the footer additional logos. The following is a snippet of how this would look like:
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