Kalamezhuthu is a unique ritual art in which natural powders are used to draw art on the floor. Kalam in Malayalam means picture and ezhuthu denotes the act of drawing.

Kalamezhuthu is usually conducted as part of rituals like Ayyappan Theeyattu, Bhadrakali Theeyattu, SarpamThullal, Mudiyettu in temples in Kerala.

The ingredients are extracted from plants - rice flour (white), charcoal powder (black), turmeric powder (yellow), powdered green leaves (green) and a mixture of turmeric powder and lime (red).