Here are some suggestions for a beginner colour palette. When you get to know a limited palette well, it’s easy to add/remove colours based on your preferences, techniques and developing personal style:
Starter Palette (all purpose application): Naphthol Red Medium, Phthalo Blue, Azo Yellow Medium, Phthalo Green, Burnt Umber, Titanium White, Payne’s Grey
Transparent Palette (for glazing application): Quinacridone Magenta, Phthalo Blue Green Shade, Indian Yellow, Green Gold, Transparent Pyrrole Red Medium, Transparent Permanent Orange