Sepia is a black brown colour. Originally made in the 18th from the ink sacks of cuttlefish, it is now made from a mixture of carbon and umber. It is a highly permanent colour.

Cotman Watercolours use fine art pigments with reduced pigment load than the Professional Watercolour range, making them an accessible choice while still uncompromising on quality. Rated AA and A for Excellent and Good lightfastness, Cotman Watercolour gives artist the reassurance expected from a quality watercolour range.