What is value in art? Simply put, it’s the lightness or darkness of an object. If you use value properly in a painting or drawing, it can make your work “pop” with life. If you don’t use value well, your painting or drawing will look flat or washed out. Value is arguably one of the most important elements of art.
Here are some web pages and videos that will help you understand and use value.
This page has an easy to follow explanation of value and how it works. It also includes a good downloadable free printable (email subscription required).