BLUE

Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colours.
Ancient Greek lacked a word for blue and Homer called the colour of the sea "wine dark",
In the English language, blue may refer to the feeling of sadness. "He was feeling blue". This is because blue was related to rain, or storms, and in Greek mythology, the god Zeus would make rain when he was sad (crying), and a storm when he was angry.lled the colour of the sea "wine dark"
Traditionally, blue has been considered a primary colour in painting, with the secondary colour orange as its complement.
The blues is a style of music originated by African Americans
Blue is the national sports colour for India, as it denotes secularism.
Blue in Hinduism: Many of the gods are depicted as having blue-coloured skin, particularly those associated with Vishnu, who is said to be the Preserver of the world and thus intimately connected to water.
Dark blue represents knowledge, power, integrity, and seriousnessLanguage of Blue: