Use your darker matte gray nail polish and use it as the base. Then get your matte sea green and matte lighter gray nail polishes and play with various designs and patterns.
Uñas azules (12)
dream catcher with feathers
Summer Nail Designs to Never Forget this Vacation // Beauty Make up Ideas Tips
50 Impressive Pastel Nail Art Designs That You Can Draw Inspiration From - Page 3 of 18 - Nail Polish Addicted