The Rules of Color

How Colors Affect Us

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We live our daily lives constantly influenced by colors in various environments.

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Behind the surface-level colors we see with our eyes, there are unique rules inherent to each color—rules that we are often unaware of. According to these rules, people unconsciously experience changes in emotion and thought. Even at this very moment, colors surrounding us are affecting us. Let’s take a closer look at the influence of color and the interesting principles hidden within it.

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Are There Colors for Safety Too?

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Safety-related tools and equipment each have their own distinctive colors.

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Red is used to indicate prohibition or stopping, and is commonly seen on fire extinguishers and fire alarms. Yellow and black are primarily used to warn of obstacles or hazards. Green represents evacuation and safety, such as emergency exits or medical supplies, while orange is used to indicate danger and the location of lifesaving equipment.

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These color choices are designed to help people instantly recognize their surroundings through visual impact, thereby preventing accidents.

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How Does Red Affect Sports Performance?

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Red is known to enhance physical performance and competitiveness. According to a study conducted by a university in the United Kingdom, researchers analyzed the relationship between uniform colors—red and blue—and winning rates in sports such as boxing, taekwondo, and wrestling. The statistics showed that athletes wearing red had a noticeably higher chance of winning.

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In other words, when skill levels are equal, wearing red sportswear can increase the likelihood of victory. Red is also an expanding color and can create a sense of intimidation, which may weaken an opponent’s resolve.

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Why Are Tunnel Lights Orange?

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Most tunnel lighting on highways appears orange in color.

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This is because orange lighting allows drivers to better judge the distance to the vehicle ahead and maintain clearer visibility even when dust or gas is present. Compared to white or blue lighting, orange provides more accurate visual perception. Another advantage is that it helps reduce driver drowsiness.

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However, even when driving for the same amount of time, passing through a tunnel can feel more tedious than driving on regular roads, which is considered a drawback.

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Does Pink Make You Feel Younger?

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Pink is said to stimulate the endocrine system and promote rejuvenation. It can help improve both mental and physical vitality, contributing to healthier-looking skin and a more youthful state of mind and body. Wearing a pink shirt, for example, can give the impression of a lively and energetic person.

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Additionally, pink has a calming effect, helping to ease tension and soften emotions. In fact, a prison in the United States reportedly reduced inmate violence and conflicts after repainting its walls in soft shades of pink.

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Want a Good Night’s Sleep? Choose Blue

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Blue has a sleep-inducing effect. For those who struggle with insomnia, it is recommended to wear blue-toned pajamas or use blue bedding.

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Blue helps stabilize the mind and body, lowers blood pressure, regulates breathing, and relaxes muscles, thereby reducing anxiety. However, if blue is overused, it may create feelings of loneliness, so combining it with white can help create a more comfortable and balanced atmosphere.

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Can Green Make You Wealthy?

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Green is believed to have the ability to fulfill human desires.
It is said to help visualize wishes and thoughts, and bright turquoise shades are thought to enhance luck and financial fortune. Perhaps this is why many currencies around the world feature green tones.

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Green has the power to heal illness, provide reassurance, and calm the mind, while also attracting success and wealth. So, gazing at green may just be a step toward becoming wealthy.

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How Clothing Colors Affect Health

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Red │ Boosts vitality and energy when you feel tired or emotionally low, and helps relieve anemia or chills. However, it should be avoided if you are angry, have high blood pressure, or suffer from chronic fatigue.

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Orange │ Enhances creativity and supports the nervous and respiratory systems, and is effective in reducing abdominal pain. On the other hand, it may not be suitable during periods of frustration or deep sorrow.

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Yellow │ Promotes inspiration and self-expression, and is beneficial for indigestion and arthritis. However, it may also trigger hypersensitivity or severe fatigue if overused, so moderation is advised.

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Green │ Helps calm emotions and supports cellular recovery in the body. It also promotes cardiopulmonary function and improves blood circulation. However, it may evoke feelings of suppression or jealousy.

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Blue │ Relieves tension and encourages positive life changes. It reduces swelling and is effective for soothing burns and headaches, but should be avoided during periods of depression or loneliness.

Purple │ Enhances dignity and elegance. It stabilizes hormones and helps heal neuralgia and mental stress. Avoid it if your stamina is low or if you feel extremely sensitive.

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White │ Provides insight into life, purifies the body, and relieves pain. However, it tends to increase feelings of loneliness and is not recommended when making important decisions.

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Black │ Instills a sense of self-sufficiency, restraint, and self-protection. However, it is not suitable when feeling depressed or having negative thoughts about oneself. Black may also cause people to reject help from others.