The white color suggests purity and serenity, and it is the first color that comes to mind. White is the color of the day. It does not like loneliness, as it is optimistic and satisfies all tastes. The white color celebrates hope and acts as a source of inspiration for it. The nature of this color is characterized by nobility and tolerance, despite the superiority of the positive aspects of white. It strains the eyes and has a negative effect on the psychological state and reduces the ability to perceive when used alone, so it should be used as a complement with another color on the interior walls, in this way, the direct effects of white can be avoided and the tone and texture of the base color become flexible.


The gray color is a mixture of black and white and is also known as the color of fog. It is the color of pollution and stains. It is also the color that expresses sadness, distress, grief and pessimism. It has no imposing effect nor is it easily influenced or stimulated. Gray is neither a good nor a bad color, rather it is a neutral color. Gray is the color of a cautious, perplexed personality. It cannot be used on interior walls alone. Rather, the direct effect of gray must be eliminated by using another color with it, otherwise it may negatively affect the psychological state of a person and isolate him from communicating with others. others.


A color that embodies physical strength and reflects movement and vitality. It is also the color suggestive of love and passion. One of the negative characteristics of the red color is its similarity with crowding, indifference, anger and aggression. It is considered a warm color and green is its complementary color. It is preferred by open-minded people who are distinguished by daring, who like to take risks, achieve their goals, and hate losing.

The use of red on the interior walls

This color is characterized by vitality, so it should be used in places where there is a lot of movement such as dance halls and kitchens. This color has a lively nature, which creates a sense of excitement, so it is not preferable to use it in quiet places such as waiting rooms. It should be used with its complementary color in children’s rooms. Sleeping, studying and resting rooms can, in this way, reduce the effect of the vitality and activity of the red color, which may cause distraction and aggressive behavior. It should not be used in places where the elderly and electrical devices are present.


Responsibility, safety, love, hope, faith and liberated feelings are all complementary qualities of the color blue. Among its negative aspects are constant curiosity, insecurity, imagination, passion, symmetry and laziness. It is considered a cold color. Orange is its complementary color. Blue appears as an expression of feelings. Pure, deep, integrating and symmetrical, it has calming and emotionally supportive qualities, and it supports communication, which is why we can see it especially in mobile phone ads.

The use of blue on the interior walls

It is not preferable to use it in places of movement because it causes distress and calmness, but in the rooms of children and adolescents, it must be used with its complementary color, which is orange in its appropriate shades, otherwise, it may lead to children becoming emotional and romantic, which keeps them from studying well.


Clarity, instinctive superiority, and innocent calmness of the blue color, with its influence on the attractiveness and excitement of the color red, does not tend to conflict or aggression, it is gentle, polite and friendly, it is used to spread calm in cases where there is pain and suffering, and it also tends to calm and relax, calling for grief and sadness It creates a positive effect on spiritual activities such as meditation‌

and appears as a color associated with magic and supernatural phenomena. Therefore, purple is generally the preferred color for pre-adolescent children.

use purple on interior walls

It can be used almost everywhere because it is refreshing, calm, elegant and elegant. It is suitable for bedrooms and study rooms in particular, but if it is used in very active or very quiet places, it should be used with the yellow color to reduce its direct effect.


It is the color of brilliance, openness, and clarity. It represents positivity and reflects a state of enthusiasm and activity. Among its negative effects are hypocrisy, a tendency to deceive, and mental confusion. It is considered one of the warm colors. Orange is the color that complements it.

Yellow is not permanent, so taxis appear yellow all over the world. Yellow appears as a transitional color between red and green in traffic lights.

The use of yellow on the interior walls

It is preferable to use it with its complementary color, which is purple. When used alone, its negative effects may be controlled. It may make people overthink and cause them to be tired. It is preferable to use it in kitchens and hallways. It encourages people to work in the kitchen, as it welcomes passers-by in the corridors, and because it makes people think a lot, it is preferable to use it with purple in children’s and adolescents’ rooms, study rooms and bedrooms, which reduces this effect. This color has a stimulating effect on the elderly by giving them hope, so it is preferable to use it in the role of elderly.


Orange is a mixture of yellow and red, so it carries the features of both colors in a balanced way. It is considered a warm color. The nature of the orange color is associated with fun, success, modernity, charm, interests, spaciousness and the ability to inspire people with hope and desire, as people with a social nature love it. Friendly, optimistic, enthusiastic, radiant, attractive, warm and also those who do what they like.
The use of orange on the interior walls
This color leads to a feeling of energy and enthusiasm, so it should be used in places of rest and thinking. It should not be used in offices, bedrooms and study rooms. It is preferable to use it in children’s rooms, dining rooms and kitchens.


It was obtained by combining yellow and blue. It is considered a cool color, giving hope, vitality and release. This color represents spiritual renewal, so it is preferred by people with an optimistic, calm, individual, superior, confident, harmonious and sensitive nature. It gives a feeling of determination without urgency, attracts attention. In addition to its firm, persistent and stubborn qualities, the green color is distinguished from the rest of the colors by accuracy, perfection and logical thinking. It stimulates people to identify with nature and feel comfortable, so it is not preferred by people who tend to be lazy.

Use green on interior walls

We see the use of green in homes, especially in the kitchen, as well as in hospitals and theaters.