Remove the light red background colour.
Add a light grey background colour or display the active facet in bold.
While it is very important to let the user know which filters are currently active, a slight or moderate emphasis may be enough. The light red background looks very similar to the way error messages are styled on the average website and is maybe much more than what is sufficient. With the recommended 'All applied filters' (R4768) at the top, this emphasis might not even be necessary.