Certified Interior Decorator (CID) Practice Test 2026 – All-in-One Comprehensive Guide to Exam Success!

The color blue is widely associated with feelings of calmness and tranquility within interior spaces. This connection comes from its representation of elements like the sky and water, which are often perceived as peaceful and soothing. When incorporated into a room, blue can create a serene atmosphere, making it a popular choice for spaces intended for relaxation, such as bedrooms and bathrooms.

Additionally, blue has been shown to lower heart rates and encourage a sense of well-being, which aligns with the feelings of relaxation and calm. Lighter shades of blue can promote feelings of spaciousness and openness, while darker tones can add a touch of sophistication without overwhelming the space. This characteristic makes it favorable for creating environments that aim to reduce stress and foster tranquility.

In contrast, colors that evoke excitement and energy, such as red or orange, stimulate activity and engagement; those associated with caution and alertness, such as yellow or bright colors, can create a sense of agitation; and colors representing warmth and comfort, such as soft earth tones or warm neutrals, promote coziness but do not convey the same serene feelings as blue. This distinction further solidifies blue's unique role in design as a calming and tranquil choice.