Colours: Deities That Are Green
In Tantric literature the colour green is believed to be the union of all four principal colours (white, yellow, red, blue/black) and therefore represents all four Tantric activities: peaceful, increasing, powerful and wrathful.
The two most well known deities that are green in colour are Tara and Amoghasiddhi Buddha. The colour green can also represent the Northern quadrant of a mandala.