Many artists and painters paint tonally. That is they paint the colours of the shapes - either as they believe them to be or as they observe them. (There is a often large difference here). The overcast provides plenty of tonal opportunities. Most people prefer to paint in full sun. However, to learn to really see what is happening in full sun, overcast provides fertile training.
Here is a painting done at roadside in LaCloche ducking the showers but aware that the sun actually was teasing us with a few warm spots in the sky.
Ambitious Undertaking, 10x12, Oil on canvas on board
Sun Shower, 10x12, Oil on board
Quite a difference. Here you can see the effect of light on the shapes. The local colours are modified by the light. In order to capture these colour keys I suggest people paint from life and train their eye to see the intricate differences. This takes considerable time since preconceived notions (we all develop these from childhood) have to be ignored in order to register what is really before you. This is key to taking colour theory into practice. There are no formulas.
Colour is a simple yet complex concept to teach and to grasp. In the coming blogs I will write some thoughts on the subject without getting scientific.
Both of these paintings were done with the same palette and the same brush, approximately 2 hours apart. The Palette consisted of a version of the primary colours (Ultramarine Blue, Cadmium Yellow, Alizarin) plus two mixing modifiers - mineral violet, and Viridian. Titanium white was used for tinting and value modification.
Comments and questions about colour are welcome.
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