Some of them are explained below. They should set a direction to the reader for deeper study and discovery of the allegorical significance of the entire story of Krishna Krishna is blue in colour and wears yellow clothes. Blue colour has been always associated with infinity. The sky appears blue. So does the ocean.
Yellow colour represents earth.
When sand is introduced in a colourless flame, the flame turns yellow. The blue form of Krishna clothed in yellow therefore suggests the Infinite Reality reduced to a finite human being. The incarnation of Krishna represents the descent of God on earth. This idea of the limitless, formless Reality being constricted and restricted to a limited, human form is again suggested by Krishna's birth in a prison. The divine child was however not confined to the prison.