"Spice Color"
The accent color in a painting, also called the discord color is added right at the focal point. Is the overall key value dark, the accent should be light or a light painting the discord should be dark. The accent can be made using a color contrast. If the predominant color scheme is warm make the accent cool; if the color scheme is cool, the accent should be warm.
Below are some Gauguin paintings; observe how he handled the 'spice color'.
Below are some Gauguin paintings; observe how he handled the 'spice color'.