Many thanks for joining in the discussion. Let me tag @maknilsin for you so he is alerted to your question. I'm sure other community members might also like to share their thoughts.
Let me extend a very warm welcome to the Workshop community. We're pleased you could join us and look forward to reading all about your projects and plans. We trust you will receive plenty of inspiration, information and advice from other members. Feel free to post whenever you need a hand or have something to share.
Sounds like you just need paving paint - https://www.bunnings.com.au/our-range/paint-decorating/paint/exterior/paving
Great tip @Seaton. Many thanks for sharing. I'm sure your input will be valued as there are so many people interested in epoxy floors for their garage and/or workshop.