PUESTA DEL SOL - 40"x40" Work in Progress (Underpainting)

Studio No. 1915 - PUESTA DEL SOL - 40"x40" Work in Progress (Underpainting) - Color Notes:  All colors blocked in mixing oils with Grumbacher MG Underpainting White and Distilled Turpentine.  Foreground:  Yellow Ochre and Cobalt Blue.  Trees:  Chrome Oxide Green Opaque, some Burnt Sienna and Cobalt Blue.  Darker Sky:  Dioxazine Purple, Cobalt Blue, some Cadmium Red and Thalo Red Rose.  Lighter sky:  Cadmium Yellow, Cadmium Red, Thalo Red Rose.  Grayer areas:  Lighter sky colors mixed with Davy's Grey - a "dirty brush".  Blue Sky:  Cerulean Blue and MG White. It has been very humid lately due to heavy rains - this underpainting needs to dry for about a week to ten days before I go into it with oil painting medium which contains some turpentine.