Red, bright yellow, and intense orange colors can increase anxiety by stimulating the brain, mimicking emergency signals, and heightening feelings of urgency, while dark, muted, or overly clinical colors like stark white can also induce stress, making them potentially anxiety-inducing. Generally, intense warm colors (red, orange, bright yellow) and heavy, dark tones can elevate arousal, but individual and cultural factors play a big role in color perception, according to the National Institutes of Health (NIH) and Verywell Mind.
Avoiding colors that can induce anxiety is a good start. Stay away from bright, bold, and intense colors. Colors like red and orange increase anxiety and stress, sometimes even fear. Red and orange are associated with an emergency that can elicit images of emergency vehicles with their lights and sirens on.
Color's Role in Stress
The color red is associated with stimulating effects on human behavior, leading to increased anxiety and physiological alertness, manifesting as heightened heart rates and adrenaline levels.
Green – Quiet and restful, green is a soothing color that can invite harmony and diffuse anxiety. Blue – A highly peaceful color, blue can be especially helpful for stress management because it can encourage a powerful sense of calm. Purple – In many cultures, shades of violet represent strength, wisdom and peace.
Bright yellow and orange, while cheerful, can also be overstimulating for bedtime. Even darker shades like black or deep brown may feel heavy or confining, which is not ideal for a calm sleep environment.
1. Red. During the research for this article, the most frequently mentioned color was undoubtedly red. This is because it's linked to increasing your heart rate, overstimulation, and evoking feelings of anxiety and aggression, according to color psychology in interior design.
There are three main types of “impossible” colors: Forbidden colors. These are colors our eyes simply cannot process because of the antagonistic way our cones work, for instance “red-green” or “yellow-blue.”
Red: a powerful, high-energy color that stimulates excitement and urgency. While it may help with physical activity and motivation, too much red in a study environment could increase stress levels, making it less ideal for long study sessions (“Birkman Colors”).
Blue. Blue is often associated with calmness and tranquility. It has a soothing effect on the mind and can help reduce stress and anxiety. Blue is commonly used in bedrooms and relaxation spaces to create a peaceful atmosphere that promotes restful sleep and relaxation.
Cool colours such as blue and green can create a calming environment as they evoke feelings of serenity. Additionally, warm colours like orange and yellow are linked to happiness and optimism.
Although black is a potent symbol of dread, it's not the only color associated with fear. Red, known for representing danger and passion, is often paired with black to intensify feelings of alarm or menace. This combination—seen in caution signs, warning lights, and horror-themed branding—triggers heightened alertness.
A big event or a buildup of smaller stressful life situations may trigger excessive anxiety — for example, a death in the family, work stress or ongoing worry about finances. Personality. People with certain personality types are more prone to anxiety disorders than others are.
So it makes sense that yellow is associated with joy. But with red, of course there is association with blood, but a link between red and anger is so immediate, so well established. And if there is one association that you can almost always find, it'll be red and anger.
To reduce anxiety immediately, use deep breathing (like the 4-7-8 method), ground yourself by focusing on your senses or 5-4-3-2-1 technique, try progressive muscle relaxation (tense and release muscles), engage in quick physical activity, or distract yourself with a short, enjoyable task or by shifting focus to another language. These techniques calm the nervous system and shift your focus from anxious thoughts to the present moment.
Cool light colors such as blue, green, and violet have a calming and relaxing effect and are often associated with nature, tranquility, and balance. Blue is a color often associated with the sky and the sea, conveying a sense of deep calm and serenity. It can have a soothing effect on the mind and reduce stress.
Blue. Blue is generally associated with calm, relaxation, and mental clarity, as it can reduce stress and improve concentration.
The color yellow helps release a chemical in the brain called serotonin. This means yellow is a great color for uplifting mood, improving concentration, and increasing metabolism.
Among all colors, blue stands out as the top choice linked to intelligence. From deep navy to soft sky blue, this shade evokes calmness, focus, and dependability.
YELLOW: Optimism and Happiness
Yellow has been psychologically proven to boost energy, awareness, and even metabolism! It stimulates our creative process, which can help us get “unstuck” and make quick decisions. It's a seriously powerful color when it comes to colors that represent positive energy.
However, too much red can sometimes be overwhelming and lead to feelings of anxiety or aggression. The key is to use red strategically in your environment or wardrobe. A splash of red in a room, such as a red cushion, artwork, or an accent wall, can help increase energy without causing overstimulation.
'The colour that can make us feel drained and tired that most people don't realise is grey,' explains Karen Haller, a behavioural design consultant, colour specialist and author of bestseller The Little Book of Colour.
Blue is the most effective color for promoting sleep, as it helps lower heart rate and reduce stress.
We see our world in a huge variety of colour. However, there are other “colours” that our eyes can't see, beyond red and violet, they are: infrared and ultraviolet.
7 combinations to avoid
Red – indicates (1) danger, (2) stop or (3) presence of fire protection equipment.