Did you know that you can draw and mass in an oil painting with pastels and use that to guide your through your painting? I don’t remember where I learned this great tool, but I use it a lot as it keeps me on track.
Pastels have the same pigments as oil paints. The difference is in the binder. So it makes sense that you can use pastels with oil paints and have everything work well. In my YouTube demo I show the start to finish painting but I want to share a bit about how and why using a pastel base to create an underpainting and keep you on track.
How: Take your hard pastel (I use NuPastels) and lightly mass in the areas you want. In the photo below I’m starting to lay in my light and dark pattern using pastel.
You can use any color(s) you want but when I choose colors I’m thinking about (1)how they will work with the overall finished painting, and (2) Do I want a simple lay in of just lights and darks using just 2 colors, or (3) Do I want to give more detail to the lights and darks and use maybe 2-3 values of light pastels – leaves on trees tend to be dark in color, but if they are in the light area I might use a darker light pastel to indicate the masses of this dark light value -and 1 or 2 values for the darks?
Once the pastel has been applied I take a clean brush and dip it in Turpenoid or Gamsol and then lightly blot the brush. Beginning with the lightest colors I use my brush to paint over the pastel. Don’t let it drip, unless you like that effect, and keep your brush clean. Once you’ve done all the light area go to the next lightest area and continue working until you have completed all the lights. Do the same in the darks.
When I’ve done all the painting I then take a soft brush and soften the whole thing. This will need to set up for about 10-15 minutes and I will set out my paints while waiting for the Gamsol to evaporate. It doesn’t need to be dry, but if it’s too wet it just is slippery and it’s easy to loose what you’ve just done. Plus the pastel mixes with the paint and will affect the color.
This the painting after softening with a brush. You can see it’s a really cool abstract version of what’s to come.
When and Why: (1) You can use pastels to quickly tone a canvas. (2) It’s a great way to set your plein air painting as it will keep you from chasing shadows and light. After you do a thumbnail and decide on the design, transfer it to your canvas using pastel and set it with your Gamsol or Turp. You will have saved so much time that even taking the 10-15 minutes for the abstract to set up you will still be ahead of the pack. 3) Use this to start a really large canvas and this will save you HOURS!! I painted a 6 foot painting using this method and it saved me days of work.
Here is the finished painting:
Let me know your thoughts and if you’ve ever tried this.