As a symbol with media characteristics, in order to realize all visual recognition functions in the most effective space, the marked subject is generally displayed, explained, conveyed and communicated through the combination of special patterns and special characters, thus guiding the audience's interest and enhancing their reputation and memory. The combination of expression forms is generally divided into characteristic patterns, characteristic fonts and synthetic fonts. Red-warm, exciting and warm.

Yellow-neutral, noble and quiet.

Green-neutral, energetic, young, peaceful and quiet.

Blue-gives people a cold, quiet and far-reaching feeling.

White-gives people a sense of purity, cleanliness and desolation.

Black-gives people a solemn, simple and sad feeling. White-pure, clean, bright, white and snowy. In addition, in China folk customs, white also reminds people of sad things.

Black is silence, despair, misfortune, terror, silence and seriousness. In addition, clothing gives people a solemn feeling.

Gray-moderate, ordinary, gentle, modest and unfair.

Red sun, flame, emergency, blood, celebration, enthusiasm, love, vitality and danger.

Orange-Yang, positive, optimistic and warm. In addition, there are fraud and jealousy.

Yellow-hope, wealth, authority, brilliance, wisdom, gold and happiness.

Green-vegetation, peace, environmental protection, growth, health, nature and tranquility.

Cyan-honest, calm, ocean, broad, long-lasting, negative and intelligent.

Purple-elegant, noble, magnificent, mysterious, eternal, uneasy and verve.

Gold-fame, wealth and loyalty.

Silver-faith, wealth and purity.