The power of Colour Theory: Its Importance in Interior Design
- Selusso Design
- Jul 4, 2024
- 3 min read
In the realm of interior design, colour isn't just a superficial element—it's a powerful tool that can transform a space, evoke emotions, and influence mood. Understanding colour theory is essential for creating harmonious and visually appealing interiors. In this post, we'll delve into the basics of colour theory and explore its significance in interior design.
Importance of Colour in Interior Design
Colour plays a crucial role in interior design, influencing everything from the mood of a space to the perception of its size and function. Here's why colour theory is vital in interior design:
Setting the Mood: Different colours evoke different emotions and moods. Warm colours like red, orange, and yellow are energizing and stimulating, while cool colours like blue and green are calming and soothing. Understanding the psychological effects of colour allows designers to create spaces that evoke the desired mood or atmosphere.
Defining Functionality: Colour can also help define the function of a space. For example, vibrant colours may be appropriate for a lively entertainment area, while muted tones may be more suitable for a serene bedroom or study.
Creating Visual Interest: By using colour effectively, designers can create visual interest and focal points within a space. Bold accent colours can draw the eye and highlight architectural features or key design elements.
Enhancing Perception of Space: Strategic use of colour can alter the perceived size and proportions of a room. Light colours tend to make a space feel larger and more open, while dark colours can create a sense of intimacy and coziness.
Establishing Harmony: Colour harmony is essential for creating cohesive and visually pleasing interiors. Understanding colour schemes, such as complementary, analogous, or monochromatic, allows designers to create harmonious colour palettes that tie the elements of a room together.

In the world of interior design, achieving a harmonious color palette is key to creating visually appealing and cohesive spaces. One effective tool that designers often use to achieve this balance is the 60-30-10 rule. Let's explore how this rule works and its significance in interior design.
Understanding the 60-30-10 Rule
The 60-30-10 rule is a straightforward guideline that helps designers create a balanced colour scheme by distributing colours in varying proportions. Here's how it breaks down:
60% Dominant Colour: This should be the primary colour used in the space, typically applied to walls, large furniture pieces, or flooring. It sets the overall tone and serves as the backdrop for the rest of the colours.
30% Secondary Colour: This colour complements the dominant colour and adds visual interest. It's often used for upholstery, drapery, accent walls, or rugs. The secondary colour helps to break up the dominance of the primary colour and creates balance in the space.
10% Accent Colour: This colour adds pops of visual excitement and personality to the space. It's used sparingly for accessories, artwork, throw pillows, or other decorative elements. The accent colour provides contrast and focal points within the room.

Practical Application of the 60-30-10 Rule
To apply the 60-30-10 rule effectively in your interior design projects, follow these practical steps:
Start by selecting your dominant colour and applying it to the largest surfaces in the room.
Choose a secondary colour that complements the dominant colour and use it for upholstery, textiles, or accent walls.
Add pops of accent colour sparingly through accessories, artwork, or small decor items.
Experiment with different shades, tones, and textures within each colour category to add depth and visual interest.
To sum up
Colour theory is a fundamental aspect of interior design, with the potential to enhance every aspect of a space—from its mood and functionality to its visual appeal and harmony. By mastering the principles of colour theory and applying them thoughtfully, designers can create interiors that are not only beautiful but also meaningful and impactful. Whether you're embarking on a major renovation or simply refreshing your home decor, harnessing the power of colour theory can elevate your design to new heights.
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