The colour paste allows you to mix your own linseed oil paint. To create a linseed oil paint you should mix the colour paste with boiled linseed oil.

NCS S 7020-R70B (more clear/pure)

Our permanent blue is close related to our ultramarine blue, but it is less warm and darker. The colour paste is made out of synthetic pigments and needs more time to dry. Permanent blue is not lightfast.