When you mix blue and yellow light, you get gray – exactly what happens in most digital painting software. Actual paint pigments interact with light in a much more complex way.

Paint-by-number kits are a great way to get started in painting. Their preplanned paintings free new artists from worries about what to paint so they can learn how to paint. Most kits come with acr… ...

Start by using a ⅜" bit and drill a hole directly through the center of the lid of your paint can or bucket. Remove the bit slowly and clean excess paint from it.

Then, in 2008, researchers uncovered an ochre mixing kit in a South African cave. They found two abalone shells, most likely used for paint mixing and storage.