Blue gradation of butterflies:

Blue gradient ‌ : The nail color is mainly blue, and the transition from dark blue to light blue is adopted as a gradual effect, just like a deep night sky or a charming starry sky, creating a quiet and profound atmosphere ‌

fainting effect ‌ : On the basis of blue gradient, use watercolor or color glue for fainting treatment to increase the sense of layer and three-dimensional effect. The color can be a mixture of pink and blue, forming a feeling of slanting marble lines, both harmonious and special ‌