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://romanhornung.r-universe.dev/badges/:name
https://romanhornung.r-universe.dev/badges/:registry
https://romanhornung.r-universe.dev/badges/:packages
https://romanhornung.r-universe.dev/badges/:articles
https://romanhornung.r-universe.dev/badges/:datasets
https://romanhornung.r-universe.dev/bapred/badges/version
https://bioc.r-universe.dev/CMA/badges/version
https://romanhornung.r-universe.dev/diversityForest/badges/version
https://romanhornung.r-universe.dev/ordinalForest/badges/version
https://romanhornung.r-universe.dev/prioritylasso/badges/version
https://romanhornung.r-universe.dev/rfvimptest/badges/version
https://romanhornung.r-universe.dev/unityForest/badges/version