To get you started, here 1 colorwheel with how to created every color on it:
1. Haute Pop Pink: Shellac Hot Pop Pink + Additive Haute Pink
2. Violet Shimmer: Shellac Strawberry Smoothie + a mixture of 1 part Additive Haute Pink + 1/2 part Additive Cerulean Blue. (Always rub the additives into the sticky layer of the cured color coat (one will do in most cases)
3. Bright Blue Shimmer: Shellac Cream Puff + Additive Cerulean Blue
4. Vibrant Purple: Shellac Hot Pop Pink + Additive Cerulean Blue
5. Lemon & Lime: Cream Puff (2 color coats, very thin) + a mix of 1 part additive Yellow & 1/2 part cerulean blue.
6. Iced Lime: Shellac Iced Coral + a mix of 1 part additive Yellow + 1/2Cerulean blue.
7. Hot Pop Orange (My favorite & simple color for summer pedicure): 2 coats of Tropix + Additive Yellow.
8. Hot Pop Yellow: 2 coats of Shellac Cream Puff + Additive Yellow
9. Aqua Shimmer: 2 coats of Shellac Hotski to Tchotchke + Additive Medium Green.
10. Shimmering Cognac: (demi-sheer) Iced Coral + a mix of 1 part additive Yellow + 1 part Haute Pink.
11. Hyper Red: 2 Coats of Cream Puff + Additive Bright Red.
12. Pastel Blue & 13. Pastel Green & 14. Pastel Pink & 15. Pastel Yellow & 16. Silver Grey:
Always 1 coat of Cityscape followed by a mixture of 1 part additive Titanium Pearl (to create the pastel) and the color needed (Cerulean blue or Medium green or Bright Red or Yellow or Black).
17. Green Sparkle: Shellac Pretty Poison + Additive Green Gold Sparkle.
18. Hyper Pink: Shellac Wild Fire + additive Violet Pearl
19. Blue Dreams: Shellac Midnight Swim + additive Spectrum Shimmer
20. Vieux Roze: Shellac Ruby Ritz + additive Pink Gold Sparkle