This mermaid scale manicure is taking over Instagram and the catwalks this spring 2026.

This spring 2026, a new trendy manicure is making its way onto the hands of nail art enthusiasts. Rainbow fish nails, inspired by the changing reflections of fish scales, transform nails into veritable aquatic jewels. This iridescent, luminous aesthetic is already winning over beauty influencers and nail artists the world over.

Rainbow fish nails: the trendy manicure that’s causing a sensation

After lace-like nails and rhinestone-embellished spring nail jewelry, a new wave is sweeping through nail art. Rainbow fish nails draw their inspiration from sea creatures and their iridescent reflections. This trendy trendy manicure offers the perfect fairy-tale touch for sunny days.

The principle is based on light effects and pearlescent finishes. Each creation becomes unique thanks to the colors and textures chosen. What’s more, the hypnotic rendering captures the light with every movement of the fingers.

This aquatic aesthetic quickly conquered social networks. It transforms nails into veritable mermaid accessories, ideal for the summer season.

From catwalks to social networks: a viral phenomenon

Rainbow fish nails aren’t limited to Instagram. At the Chanel Croisière 2026 fashion show, held in April 2026, this trendy manicure made its appearance on the catwalks. Nail artist Ama Quashie created sparkling looks inspired by marine scales.

“Vivid shades overlap or blend to create a hypnotic, almost liquid rendering that catches the light with every movement.”

Unsurprisingly, beauty influencers have seized on this phenomenon. They’re multiplying colorful, high-gloss variations on their accounts. As a result, this trend has gone viral in just a few weeks.

What finishes are needed for this trendy manicure?

There are several techniques for achieving the much sought-after flake effect. The secret lies in shine and highlights rather than pure color. Here are the most popular options for this trendy manicure.

• Chrome varnish for an intense mirror effect
• Cat’s-eye finish with shimmering highlights
• Pearlescent varnish for soft shine
• Superimposition of complementary iridescent shades
• Customizable mermaid effect capsules

The chrome finish offers a spectacular, modern result. The cat’s-eye effect creates a line of light that moves with the angle of view. Finally, pearlescent varnish remains a safe bet for a subtle finish.

The season’s leading colors

The palette of this trendy manicure is inspired by the sea. Tones include lagoon blue, emerald green and coral pink. These shades blend to imitate rainbow fish scales.

Shades can also be superimposed on the same nail. This technique creates a hypnotic gradation that changes according to the light. From now on, every hand becomes a unique work of art.

How to make Rainbow fish nails at home or in the salon

To reproduce this look at home, opt for pearlescent or iridescent varnishes in complementary tones. The idea is to play with reflections rather than pure color. In this way, you’ll achieve a subtle, luminous flake effect.

Fans of false nails can opt for customizable capsules. Some brands offer kits designed for creating your own mermaid-effect manicure. This option is perfect for beginners.

In the salon, simply ask for a chrome finish or a cat’s-eye effect. Specify your favorite shades for a made-to-measure result. The final result is nails that sparkle like the surface of water.

This aquatic aesthetic adapts to all nail lengths. Almond or square shapes bring out the iridescent highlights particularly well. In short, Rainbow fish nails promise to light up your hands all summer long.

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