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://r-causal.r-universe.dev/badges/:name
https://r-causal.r-universe.dev/badges/:registry
https://r-causal.r-universe.dev/badges/:packages
https://r-causal.r-universe.dev/badges/:articles
https://r-causal.r-universe.dev/badges/:datasets
https://r-causal.r-universe.dev/balancing/badges/version
https://r-causal.r-universe.dev/causalgenerics/badges/version
https://r-causal.r-universe.dev/causalpie/badges/version
https://r-causal.r-universe.dev/causalworkshop/badges/version
https://r-causal.r-universe.dev/deli/badges/version
https://r-causal.r-universe.dev/ggarrow/badges/version
https://r-causal.r-universe.dev/ggdag/badges/version
https://r-causal.r-universe.dev/halfmoon/badges/version
https://r-causal.r-universe.dev/marginaleffects/badges/version
https://r-causal.r-universe.dev/positively/badges/version
https://r-causal.r-universe.dev/propensity/badges/version
https://r-causal.r-universe.dev/quartets/badges/version
https://r-causal.r-universe.dev/tidysmd/badges/version
https://r-causal.r-universe.dev/tipr/badges/version
https://r-causal.r-universe.dev/touringplans/badges/version