Thanks to the lovely https://shields.io/ project we have a Racket logo for badges.
Here are some examples
[![Racket](https://img.shields.io/badge/-Made%20with%20Racket-darkred?logo=racket)](https://racket-lang.org)
[![Racket](https://img.shields.io/badge/-Made%20with%20Racket-darkred?style=for-the-badge&logo=racket)](https://racket-lang.org)
[![Racket](https://img.shields.io/badge/-Made%20with%20gui%20easy-orange?logo=racket)](https://pkgd.racket-lang.org/pkgn/package/gui-easy)
[![Racket](https://img.shields.io/badge/-Made%20with%20Qi%20☯-lightcyan?logo=racket)](https://pkgs.racket-lang.org/package/qi)
[![Discourse users](https://img.shields.io/discourse/users?label=Discuss%20on%20Racket%20Discourse&logo=racket&server=https%3A%2F%2Fracket.discourse.group)](https://racket.discourse.group/t/racket-templates-project/156?u=spdegabrielle)
[![Racket Discord](https://img.shields.io/discord/571040468092321801?label=Chat%20on%20Racket%20Discord&logo=racket)](https://discord.gg/6Zq8sH5)