Cobra Artist Water Mixable Oil Colour - 339 - Light Oxide Red 40ml. Cobra Water Mixable Oil Colours provide all the features of traditional oil colour, but without the need to use strong solvents. Painting with Cobra is the same as painting with traditional oil paint - the paint can be applied using all the usual oil paint techniques and there are no visible changes during the drying process. The colour, as well as the brush stroke or applied texture, retains its full colour and brightness after the paint has dried. Suitable for all oil painting techniques and for application with brushes, painting knives, rollers, sponges and more. There’s no need for harsh solvents to clean your used brushes - just use soap and warm water to quickly remove the paint. The complete range consists of 70 transparent, semi transparent and semi opaque colours, each sold separately. 40ml tubes.