Hope your week is off to a great start! Here is one of my newest pieces! I took a different approach in painting this one black and white first and then going layer by layer, transparency filter by transparency filter, to create the colors.
A value and color comp chart is extremely handy because it gives you an opportunity to check out which colors and lighting effects achieve the mood you are aiming for. Here is the value and color comp chart that I created before going onto the final illustration.