We all know that there are all kinds of colors in our lives, and different colors give people different visual feelings, and the emotions and psychological reactions they cause are also different. For example, red can cause people to have emotions such as excitement, excitement, and tension; yellow can easily make people feel warm, soft, and brisk; green can easily cause calm emotions and convey a vibrant emotional experience.
Road signs and signs need to use color theory in the design, fully highlight the social application of vision, and use color psychological effects and color psychological dynamics in the design. In road signs and signs, there are mainly five basic colors: red, blue, yellow, white, and black.
Red is mainly used as the border color of the prohibition sign. Among the red triangle signs, there is only one sign: slow down and give way, while the red round signs are all prohibition signs. Red is the most eye-catching color and has a strong appeal. On the one hand, it symbolizes life, vitality, enthusiasm, health, vigor, and joy. On the other hand, it is the color of fire and blood, which means alertness and danger. Its visibility is very strong, that is, it gives people a sense of visual imminence and expansion, and it is easy to make people's emotions more excited, excited and tense. Red often acts as the main color and an important harmonizing and contrasting effect in color coordination, and is the most used color. At the same time, when people are in a red environment, their pulse will beat faster, their blood pressure will rise, and their emotions are easily excited and impulsive. Because red is easy to attract people's attention, many warning signs in traffic signs and signs are represented by red text or images. For example, it is used for the borders, background colors, slashes, cross symbols and slash symbols of traffic prohibition signs, and the background colors of warning linear signs. The sign shown in Figure 1 is a give way sign, which means that the road is blocked and slow down to give way, while Figure 2 shows a sign that no parking is allowed. The red borders in Figure 1 and Figure 2 are eye-catching, and both contain the meaning of prohibition.
Blue is the color of the sea and the color of the sky. On the one hand, it conveys peace, profoundness, eternity, tranquility, calmness, reason, honesty, coolness, coordination, luck, etc. On the other hand, blue has the meaning of indifference and conservativeness. The proper use of blue, red, and yellow can form a harmonious relationship of contrast and harmony. In addition, blue has a variety of psychological effects. For example, blue has a calming effect, can calm people's emotions, and also has a certain effect on lowering blood pressure. Blue is a receding color, so blue objects appear to be farther away than they actually are. Blue can also make people feel that time passes quickly, and people respond to blue in a relaxed state. In road signs and signs, blue is easily recognized to indicate the meaning of instructions and follow, so it is widely used to indicate driving information such as place names, routes, and directions. It is generally used as the internal color of road signs. The following picture shows the road walking signs. Using blue as the background color will make us resonate psychologically, which will attract attention and achieve the purpose of giving instructions to pedestrians.
Yellow has a golden light. It is the most brilliant and brightest color. It represents clarity, happiness, nobility, hope, development, attention, splendor, brilliance, wealth and power. It has the brilliance of the sun, symbolizing the light of wisdom ray that removes darkness. At the same time, yellow is also a cheerful hue with a little excitement. But at the same time yellow also symbolizes danger, attention and anxiety. Yellow has very good visibility. It is more eye-catching when paired with black. It is often used as the color of hazard warning signs or caution signs. Such as the yellow light on traffic signs, and the background color used for warning signs in many traffic signs. The following picture shows the "Beware of Electric Shock" sign. It is very eye-catching with a yellow background. It warns that there is a dangerous object in front of you for electric shock.
4. Black and white
The two colors of black and white are complementary. White is a bright color, the achromatic color with the highest brightness, and a pure color, representing peace, cleanliness, innocence, and sacredness. Black is a dark color and is the non-color with the lowest brightness. When white and black are matched, they form a simple, clear, simple and powerful effect, giving people a sense of weight and stability, and have a good visual communication ability. In traffic signs, the color of warning signs is black borders and black patterns, while traffic signs with white background and black characters are auxiliary signs. Black is mainly used as the internal pattern of the ban sign. White is mainly used as the internal pattern of the indicator. As shown in Figure 5, the black color serves as a sign image, which is the internal pattern of the red ban frame. The white and blue colors in Figure 6 are used as an internal pattern, indicating that there is a branch in front of the logo.