The Daler Rowney Georgian Water Mixable Oil colours offer the possibility of oil painting without the need for solvent-based mediums. An alternative to traditional oils, the balanced range of 40 vibrant colours can be thinned, mixed, and washed using water and as such is ideal for use indoors and in a classroom environment. All Georgian Water Mixable Oil colours offer high levels of lightfastness, pigment load, and durability. The viscosity and smooth texture of the colours out of the tube mirror traditional oil colours and can be used for impasto techniques, or thinned down with water they can create wash effects similar to watercolours. Surface-dry between 5 and 7 days, and no colour shift from wet to dry.