Undertones. Hmmm, sounds a little bit sinister, doesn't it? But toning a canvas before starting to apply paint is anything but! In fact, for most painters, it's an essential first step in the painting process. (For the uninitiated, "toning" a canvas refers to putting a thin layer of color down on the raw white canvas, as shown in the top photo).
There are many different reasons that painters tone their canvases. Here are a few:
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| Photo from Bill Guffey |
(1) Some painters use a medium value, neutral, gray tone, so that when they start to apply color, they can readily compare







