Color is a kind of visual effect towards light, which is generated via the eyes, the brain and our life experiences. Humans perception towards light is not solely determine by the physical characteristics of light, but also includes the factor of psychology among many factors, for example, the human perception towards light, is always affected by surrounding colors. Sometimes, people also let the physical chararacteristics of matters, which generate different colors, directly called colors.

Yánsè shì tōngguò yǎnjīng, nǎobù hé wǒmen de shēnghuó jīngyàn suǒ chǎnshēng de 1-zhǒng duì guāng de shìjué xiàoyìng. Rén duì yánsè de gǎnjué bùjǐn yóu guāng de wùlǐ xìngzhì suǒ juédìng, hái bāohán xīnlǐ děng xǔduō yīnsù, bǐrú rénlèi duì yánsè de gǎnjué wǎngwǎng shòudào zhōuwéi yánsè de yǐngxiǎng. Yǒushí rénmen yě bǎ wùzhì chǎnshēng bùtóng yánsè de wùlǐ tèxìng zhíjiē jiàozuò yánsè.