La Casa Arcobaleno: A Rainbow House Where Colour Meets Connection

In the heart of Italy’s Sorrento Peninsula, where the Mediterranean landscape meets the sea, architect Valentina Autiero has created a home that challenges the conventional ideas of small-space living. Known as La Casa Arcobaleno, or the Rainbow House, the residence belongs to a young married couple whose love of entertaining and spending time with friends is reflected in every corner.

With just 50-square metres of interior space and a generous terrace surrounded by greenery, the home makes a strong example for designing around the way people live, rather than the amount of space they have. 

Its diverse interiors combine expressive colour, practical custom-made details, and a thoughtful relationship with the outdoors.

A home that opens onto nature

The floor plan is surrounded by a private terrace on three sides, allowing every opening in the living space to look out onto an intimate outdoor setting. This connection between the inside and out became one of the defining principles of Autiero’s renovation and interior design project.

Instead of separating rooms into disconnected zones, the design introduces open, fluid spaces in which different functions coexist. Each area has its own identity, yet remains connected to the rest of the home.

The result is a compact residence comprising an open-plan kitchen and living area, a double bedroom, a home office and walk-in wardrobe, a shower room, and a terrace immersed in the Mediterranean scrubs.

The kitchen: The heart of the home

The kitchen is the most expressive space in La Casa Arcobaleno, distinguished by its bold red colour scheme and sculptural presence. For the owners, cooking is about far more than just preparing food. It is a daily ritual of sharing, conversation and connection, making the kitchen a focal point for the home.

The custom-made peninsula, positioned between the wall and floor, features a distinctive pattern of pink and mint-green triangles that wrap around its front and worktop like a ribbon.

At 65cm deep, the peninsula is designed for use from both sides. Its layout allows the person at the sink to remain in visual contact with someone using the hob, while the appliances and storage are carefully distributed. The oven, fridge and pantry sit on one side, with the dishwasher and crockery on the other. The induction hob further supports the kitchen’s social and shared functionality.

Full-height units along the side wall provide a generous amount of storage, leaving the rest of the room open and uncluttered. Red subway tiles cover both the floor and the back wall, where they are laid vertically without an offset to create a continuous backdrop.

A living room made for friendship

In contrast to the kitchen’s saturated red, the living area adopts a more restrained palette and minimalist mood. This shift in colour creates a sense of balance while maintaining the home’s overall visual rhythm.

The space is arranged around everyday moments of relaxation and togetherness. A sofa sits between the library and wine rack, catching the sunlight, with a large painting hanging above it. The artwork was created during one of the creative evenings hosted by the owners, giving the room a personal connection to the experiences that take place within it.

A slim dining table, illuminated by an iconic Flos floor lamp, completes the living area. Its position allows views towards the terrace, reinforcing the dialogue between the interior and its natural surroundings.

The transition between the kitchen, living room and corridor is marked by a gradual change in colour, moving from red through neutral shades and into yellow. Along this route, a custom welded-wire bottle rack conceals one of the home’s few structural columns. Resting on a small cabinet, the feature combines a practical storage solution with an inventive architectural detail.

Where creativity becomes part of daily life

La Casa Arcobaleno’s interiors are closely tied to the owners’ enthusiasm for hosting friends and creating together. Their “free expression evenings” bring together friends and friends of friends for spaghetti with tomato sauce, wine, music, and collaborative artistic activities.

These gatherings might involve painting on a shared canvas, decorating ceramics, modelling objects, planting flowers on the terrace, or making seasonal preserves. The emphasis is not on achieving a perfect collective result, but on the freedom to experiment, connect, and enjoy the process.

A colourful route to the bathroom

Another chapter is introduced in the home’s colour story. Yellow flooring and a mint-green ceiling establish a fresh, playful atmosphere, while the geometric rhythm of the subway tiles continues from the corridor into the bathroom.

Here, the tiles lead towards the basin and climb the wall, creating a visual connection between the two spaces. Despite its compact dimensions, the bathroom accommodates the necessary functions, including storage and laundry facilities concealed behind sliding doors. 

The colour palette shifts again as the yellow tones give way to pink floor and wall tiles around the sanitary fittings. In the shower, the triangular motif returns in a more expressive red-and-pink composition, bringing the home’s playful geometry into the smallest of spaces.

Making every square metre work harder

One of the project’s most effective space-saving solutions is a small room with direct access to the terrace. Designed to serve two purposes, it functions as both a home office and a walk-in wardrobe.

This dual-use approach reflects the broader design strategy: every area is assigned a clear function, but no room is unnecessarily restricted to a single purpose. 

A bedroom with a personal history

The double bedroom takes a calmer, almost Bohemian approach to the home’s assorted aesthetic. Its furnishings are minimalist, allowing a selection of inherited and vintage pieces to bring warmth and character.

Two chairs and two mirrors passed down from the owners’ grandmother have been reinterpreted as bedside tables beside the upholstered bed. A wicker reading chair and vintage spiral coat rack add  a layer of texture, while a simple white wardrobe provides a clean backdrop for another custom detail.

The wardrobe was hand-decorated by Autiero and her clients, turning an everyday piece of furniture into a shared creative project. It is a fitting final expression of La Casa Arcobaleno’s design philosophy: a home shaped not only by colour and form, but by the people who inhabit it and the experiences they create together.

La Casa Arcobaleno is a residence that feels both highly individual and welcoming. Its bold palette, intelligent planning, and close relationship with the terrace demonstrate how a small home can accommodate a generous way of living – one rooted in friendship, creativity, and the pleasure of being at home.

Credits

Design Studio: Valentina Autiero