Mixing paints and acrylics with epoxy is not recommended even though it will somewhat work. Results will be less than desired.
Epoxy Resin is a byproduct of oil. So acrylic based, water-based and even some oddly blended oil-based pigments don’t mix well with epoxy. They can get clumpy and even leave a weird film on the finished product. \
We recommend Mica powders, concentrate/solvent based pigments as additives to create your desired colors. Many of these are available in our shop
Powders like Glow powders and mica powders can also be incorporated in our epoxy as long as the powder doesn’t exceed 5% of the total mixture.
Always test small if you do try outside our recommendations… but we do have some color options within our site if you need.