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Step by Step to Begin Your Oil Painting

Detail of a Rubens family portrait showing grey underpainting through the flesh tones

Start with a toned canvas and a monochrome underpainting. Tone the white a dark brown, mix a grey scale from black and fast-drying white, draw a loose skeleton with a small bristle brush, then block the whole picture in as light and dark values — no color at all yet. Color, details, and finish all come after that foundation is solid.

Someone sent me this question: “Pretend it’s the very first time you tried to paint — could you give me a step-by-step method to get started? That blank canvas is rather unnerving.” A lot of people feel exactly that, so here’s the answer.

This assumes your painting surface — canvas, panel, or paper — is already prepared properly. Preparing a canvas is its own important lesson. Bad preparation and bad materials lead to bad paintings, and I’ll say that more than once.

1. Start with a monochrome underpainting

This is the traditional way, and it makes things easier because it separates the problems. You don’t have to deal with every part of painting at once. For a beginner I want you on a dark brown toned canvas. That tone plays a real role in the underpainting — where you leave it showing or barely cover it, it becomes part of the painting.

2. Squeeze out white and black

Use a fast-drying white if you can. How much? Enough to use. If you need more, squeeze more — don’t overthink something this simple.

With a small bristle brush, mix a light grey. Always start with white and add black slowly. It’s far easier to darken a light mixture than to lighten a dark one.

3. Make your drawing

Take the small bristle brush and lightly place your outlines — a “skeleton” drawing. This is one way to do it; there are transfer and composition methods I demonstrate in the lessons.

If the paint needs help flowing, dip the brush very lightly into medium — only if you need it. Don’t use medium blindly because someone told you to. Think of washing a pot: a little soap, some water, then judge whether you need more.

Don’t load the brush at this stage — you’ll build paint up gradually — but don’t be so afraid of paint that you barely touch the canvas either. And nothing is final. This is not a paint-by-numbers kit. You’re working in black and white; you can’t ruin anything. Mix a thin grey so the tone shows through, or a thicker grey to cover it — notice how many values you get just by varying thickness. Think of drawing with white chalk on a chalkboard.

Detail of a Rubens family portrait with grey underpainting visible through the cheek and chin
Done with this exact procedure — look at the girl's cheek and chin and you can see the grey underpainting showing through.

4. Divide everything into light and dark

Forget color completely. Only tone — light and dark.

You can start either way (dark to light or light to dark) and work toward the opposite. Let the toned canvas show in the darkest areas. Use a darker grey for the next-darkest values. Use light grey, applied thicker, for the lighter areas. For the highest lights, lay pure white lightly over what’s already there.

Don’t fear “mud” — you can’t make mud with only black and white.

That’s step one: the underpainting. From here you’d reinforce it, then add color with glazes, veilings, and some direct painting. Details come last.

Step-by-step recap

  • Prepare your surface (properly primed canvas, panel, or paper).
  • Tone it a dark brown to knock down the white and set a middle value.
  • Put out fast-drying white and black. Squeeze “enough to use.”
  • Mix a light grey — start with white, add black slowly.
  • Brush a loose skeleton drawing. Thin paint, a touch of medium only if needed. Nothing is final.
  • Block in values, not color: toned ground for the deepest darks, darker grey for shadow masses, thicker light grey for lights, a touch of pure white for the highest highlights.
  • Strengthen the underpainting until the value structure reads clearly.
  • Only then add color: glazes, veilings, some direct painting. Details last.

This removes the intimidation of the blank canvas and gives you a method you can use on any painting. The full version — reinforcing the underpainting, adding color the classical way — is inside the school.

Common questions

How do you start an oil painting as a beginner?
Tone the white canvas a dark brown, put out only black and fast-drying white, mix a light grey by starting with white and adding black, brush in a loose skeleton drawing, then block the whole picture in as light and dark values. Color comes only after that value structure reads clearly.
Why tone the canvas before painting?
Mainly because it makes everything easier. The tone kills the harsh white, sets a middle value to judge against, and becomes part of the painting — in the early stages you either leave it showing or barely cover it, and it does real work in your darkest areas.
Can you make mud with just black and white?
No. Working only in black and white for the underpainting means there is nothing to muddy. That's part of why starting in monochrome is easier — it separates the value problem from the color problem so you only deal with one thing at a time.