Badges can be customized with 'color', 'scale', and 'style' parameters frombadgen.
For example:https://ropensci.r-universe.dev/badges/:total?scale=2&color=pink&style=flat

URL	Preview	Markdown
https://iiasa.r-universe.dev/badges/:name
https://iiasa.r-universe.dev/badges/:registry
https://iiasa.r-universe.dev/badges/:packages
https://iiasa.r-universe.dev/badges/:articles
https://iiasa.r-universe.dev/badges/:datasets
https://iiasa.r-universe.dev/BioCal/badges/version
https://iiasa.r-universe.dev/BNRTools/badges/version
https://iiasa.r-universe.dev/ibis.iSDM/badges/version
https://iiasa.r-universe.dev/insights/badges/version
https://iiasa.r-universe.dev/mapspam2globiom/badges/version
https://iiasa.r-universe.dev/ODPSCP/badges/version
https://iiasa.r-universe.dev/rN2000/badges/version