I recently made a change to my setup:static-content:deploy command as php -d memory_limit=4G bin/magento setup:static-content:deploy -f --theme Perfectmakeupmirrors/argento-luxury-custom to narrow down it to the specific theme. As a result of this, Magento admin constantly gave HTTP Error 500. When I removed --theme Perfectmakeupmirrors/argento-luxury-custom and reran the command, admin page worked fine leaving me to wonder what is the actual theme that Magento admin uses.

Could you please share your insights?

3 Answers 3


By Default Magneto Admin use

Magento/Backend Theme.

For admin panel Magento use below theme.


For deploy only admin static content you can use below command.

bin/magento s:s:d -f --theme Magento/backend



A new admin theme for the adobe changes called magento/spectrum


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