You should have the right kind of palette to start off with. Your palette should be non-porous to prevent absorption of oil from the paint. Palettes come in a variety of different materials from glass to wood. My personal preference is the BOB ROSS Clear Palette. I have found this palette the easiest to clean and best for mixing colors.
When you are first starting out, it may be a good idea to start with a fairly limited palette of colors. If you purchase every color under the sun, you may find yourself mixing too many different colors, which will result in a muddy painting. Start off slow in the beginning, then add more colors as you become more experienced. Color choices for a limited palette vary from artist to artist. Here are the colors of my palette: Yellow Ochre, Cadmium Yellow Pale, Alizarin Crimson, Cadmium Orange, Phthalo Blue, Burnt Sienna, Burnt Umber, Cadmium Red Medium, Phthalo Green, Titanium White, Ivory Black. I recommend purchasing 1.25 oz tubes of all colors except Titanium White. Purchase a larger tube of Titanium White, as you will be using more of this color.
First, you should get into the habit of laying out your colors the same way every...