Wallpaper - Mystery Cosmos

Our Mystery Cosmos wallpaper brings together a serene, storybook seascape framed within a circular vignette. Designed by Gasi, the composition centers on a gentle dark whale swimming beneath a calm sea, topped by layered clouds, distant mountain peaks, a crescent moon, and delicate stars set against a deep teal night sky. The ink-drawn graphic style combines clean silhouette lines with earthy, muted tones and subtle decorative markings across the whale's body. Made-to-measure on our PVC-free paper with a subtle physical structure, this mural wallpaper establishes a tranquil focal point while keeping the room feeling open and balanced.

In the room

We see this design working especially well in a nursery, toddler room, or children's bedroom, where the gentle marine motif and starry night sky create a quiet, dreamy backdrop for sleep and play. Because the artwork is structured as a large central circular scene, we would place it on a relatively clear feature wall, such as behind a crib, toddler bed, or low shelving unit, so the whale and cloud silhouettes remain largely uncovered.

Beyond children's spaces, the restrained earthy palette and peaceful atmosphere make this wall mural equally suited to a calm living room reading corner, a serene bathroom wall, or a quiet meditation space. On a broader wall, the dark teal outer field naturally anchors the room without feeling heavy, while the soft cream clouds and pale sea bring gentle contrast to eye level.

Styling it

To complement the Scandinavian-inspired illustrative style, we suggest pairing our wallpaper with simple furniture silhouettes and soft, organic materials. Light wood pieces in birch, ash, or pale oak sit naturally against the deep teal background, echoing the warm undertones of the clouds and mountain slopes.

We would keep surrounding wall decor minimal to let the circular graphic composition breathe. Layering in unbleached cotton or linen textiles on nearby bedding or curtains helps reinforce the soft, matte feel of the ink illustration without adding competing visual noise.

Color combinations

The artwork relies on a rich palette of deep midnight teal, soft seafoam, muted cloud cream, and slate blue, accented by delicate off-white linework on the whale. When choosing paint colors for adjacent walls or trim, we recommend pulling directly from these tones.

A soft, warm off-white or creamy beige on neighboring walls allows the deep teal field of the wallpaper to stand out as a defined feature wall. Alternatively, painting baseboards or adjacent surfaces in a muted teal or slate gray creates a cozy, enveloping atmosphere that draws out the darker shades of the evening sky and whale.

About our wallpaper

At Wallism, our wallpapers are made-to-measure based on your exact wall dimensions. Producing each order individually helps reduce unnecessary excess wallpaper compared to standard rolls.

Every design is printed on PVC-free paper featuring a subtle physical surface structure. Our wall murals are designed to be straightforward to hang, giving you a smooth and simple way to bring custom wall decor into your home.