Soybeans: Classes, types and varieties

Soybeans may be yellow, green, brown, black or mixed. Colour is part of the grade name; for example, ‘Soybeans, No. 1 Canada Yellow’.

The method for determining the colour of a soybean is by seed coat colour.

The interior of a soybean is generally yellow, but may be green.

• Soybeans: Determination of commercially clean