Here's an intro to Value from the Basics course that covers the three properties of color Hue: The color family (red, blue, yellow). Chroma: How pure or gray the color is. Value: How light or dark the color is. https://www.proko.com/course-lesson/improve-your-drawings-with-values https://www.proko.com/course-lesson/how-to-see-values-correctly Also take a look at the Value tool to see how colors translate to values https://www.proko.com/values