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How to use oil pastels

Here’s our guide to drawing with oil pastels for artists of all levels, including how to blend and what materials to buy.

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Photography by Matt Breen

Published: September 20, 2023 at 12:35 pm

As artistic mediums go, oil pastel is one of the youngest out there. It was developed in the early twentieth century, although the claim that it was invented by Picasso isn’t strictly true – it was actually first developed as a medium for children in Japan. (The Spanish master did, however, work with the French manufacturer Sennelier in the 1940s to develop its line of artist-grade oil pastels, which are now used across the world.)

Oil pastels are popular among artists today for the boldness and immediacy they offer. Some artists use them as the foundations of their oil paintings - but they can also create beautiful drawings in their own right. They’re highly portable, so are a great tool to pack in your bag if you like sketching outdoors.

But oil pastels can be challenging to work with, especially for those who are more used to painting. While there are plenty of crossovers between oil paint and oil pastels, they each work to their own rules. With pastels, you have a finite amount of colours to choose from, so you need to be selective, and to understand how pastels can be layered and manipulated.

In our guide to drawing with oil pastels, we’ll talk you through everything you need to get going with this fun, spontaneous medium, including how to blend and draw. This is followed up by our pick of the best oil pastels to buy.

As artistic mediums go, oil pastel is one of the youngest out there. It was developed in the early 20th century, although the claim that it was invented by Picasso isn’t strictly true – it was actually first developed as a medium for children in Japan.

(The Spanish master did, however, work with the French manufacturer Sennelier in the 1940s to develop its line of artist-grade oil pastels, which are now used across the world.)

Oil pastels are popular among artists today for the boldness and immediacy they offer. Some artists use them as the foundations of their oil paintings, but they can also create beautiful drawings in their own right.

They’re highly portable, so are a great tool to pack in your bag if you like sketching outdoors.

But oil pastels can be challenging to work with, especially for those who are used to painting. While there are plenty of crossovers between oil paint and oil pastels, they each work to their own rules.

With pastels, you have a finite amount of colours to choose from, so you need to be selective, and understand how pastels can be layered and manipulated.

In our guide to drawing with oil pastels, we’ll talk you through everything you need to get going with this fun, spontaneous medium, including how to blend and draw. We'll cover how to use oil pastels for beginners, as well as tricks and techniques for more experienced artists.

We’ve also included a section on the best materials to buy to help you get the most out of your oil pastel art.


Common questions about oil pastels

How to use oil pastels

What are oil pastels?

Oil pastels are sticks of pigment that are bound with a mixture of wax and a non-drying oil such as linseed oil.

It’s the addition of oil (unlike in wax crayons) that gives oil pastels their own unique character: they can be quite flaky when directly applied, but can also be manipulated through a number of methods, and built up in multiple layers of colour.

One thing to note about oil pastels is that they can become messy. Colours have a habit of picking up across pastels, and, like oil painting, it’s easy for them to spread. Make sure you work in old clothes and have some paper roll or kitchen towels to hand.

Do you use water for oil pastels?

No, you don’t need to use water with oil pastels, but some kinds of oil pastels are specifically designed to be water-soluble.

Are oil pastels easy for beginners?

Yes, it's we'd recommend oil pastels for beginners! They're easy to learn once you’ve mastered a few simple techniques. Even children can give it a go!

Do you put dark or light first with oil pastels?

Dark oil pastels can be layered over lighter ones, but not vice versa. When drawing your subject, consider its light and mid-tones before finally moving on to the darkest darks.

Do you have to let oil pastels dry?

No, you don’t. However, oil pastels can always smudge unless you’ve coated your drawing with a layer of fixative spray.

Can you use a brush with oil pastels?

If you’re using a thinner or mineral oil to blend your oil pastels, it’s a good idea to use a brush to smooth out your drawing.

We’d recommend using synthetic paint brushes for this or ones designed for use with oil paints.


How to blend oil pastels

Oil pastels can be blended easily. Blending your drawing, or parts of your drawing, can achieve a variety of effects, especially when done in contrast to roughly scumbled marks over the top.

There’s a number of ways you can blend oil pastels together. Here are a few methods to help you get started:

  1. Pastel on pastel. Oil pastels can be layered on top of each other, and rubbed together so they blend in colour. However, this needs to be done with restraint: you’ll find your surface has a threshold point where it simply doesn’t take any more colour.
  2. Your fingers. This is something you’ll need to do carefully, as you can easily wipe natural greases from your fingers into your pastels. A better choice would be a blending stump.
  3. Pipe insulation foam. It’s not something you’ll pick up at your local art store, but it’s a surprisingly popular item among oil pastel artists: it does a superb job of smoothing out colours.
  4. Any thinner for oil paint. Turpentine or another mineral spirit, applied with a stiff brush, is a fantastic way of smudging oil paint into veiled stains across the paper. It dries very quickly, but is a toxic material so should be treated with care.

There are a lot of other techniques you can try to blend your pastels together, from blending stumps to baby oil. Check out our how to blend oil pastels guide for more tips and tricks.


How to draw with oil pastels

The best way to learn to draw with oil pastels is to create a number of quick studies and to experiment with mark-making and different layering techniques.

You’ll quickly get a feel for how oil pastels behave, and what you can achieve with them.

Here are a few tips for using oil pastels for beginners to get you started:

  1. Scratch back. A palette knife or the end of a paintbrush are both great ways to scratch detail into your drawing - the technical name for this is ‘sgraffito’. You can reveal colours from previous layers.
  2. Choose your colours carefully. You have a finite number of colours to work with, so you should apply them strategically. Complementary colours - blue and orange; red and green; yellow and purple - can be used together to produce eye-catching effects.
  3. Keep your hands clean while you work. Oil pastels come off easily in your hands, so wash them with soap and water while you’re working. If you need to rest your hand on your artwork in order to draw, place a piece of scrap paper beneath it.
  4. Avoid applying dirty colours. The more you layer your pastels, the more they’ll end up with muddy, cross-contaminated tips. Keep another sheet of scrap paper to hand while you work – you can use this to draw off your pastels’ muddied tips before applying a clean stroke of uncontaminated colour to your artwork.
  5. Keep large sets of oil pastels in chromatic order. Trust us, you’ll be grateful in the long run. Arranging pastels by colour makes them much easier to find!

This is just a brief overview of some easy oil pastel methods for beginners – take a look at our oil pastel techniques guide for more ideas to try.


Free up your style with charcoal drawing

If you want to make more expressive artwork, charcoal is the way to go! It’s perfect for quick sketches or dramatic drawings. Get started with Gathered’s charcoal drawing guide.

Best oil pastels to buy

Best oil pastels

Oil pastels are definitely an item where spending a little more goes a long way. Budget sets of oil pastels are generally heavy on wax and low on pigment. You’ll find them less rich in colour, and less layerable: they’re not worth the effort.

For our demo below, we used a basic 24-colour set from Faber-Castell, which is an excellent and inexpensive option for beginners.

The most widely respected brand for oil pastels, however, is Sennelier, who produce a very tempting 48-colour range. This set of artist-grade pastels would make a spectacular gift for any oil pastel artist.

Discover the perfect pastels for your needs in Gathered’s best oil pastels guide.


Best paper for oil pastels

Best paper for oil pastels

Oil pastels can be applied to a variety of grades of paper. We suggest you try out a variety of textures and colours. Oil pastels work particularly well on toned paper that’s a grey or neutral colour: you’ll find that light colours stand out more.

One of our favourite paper brands, Strathmore, offers a range of papers that are well suited to pastel drawing.

Find more recommendations in our best paper for oil pastels guide.


Other useful materials for oil pastel artists

Spray fixative

Invest in a bottle of spray fixative. It will prevent your drawing from smudging or fading while in storage. You’ll also find that by fixing the drawing’s surface, you can apply further colours more easily.

Mineral spirits

For a mineral spirit to use for blending, we recommend Zest It, a citrus-based thinner that’s non-flammable and non-toxic.

It’s a much safer alternative to use around the home than turpentine or white spirit and has a far more pleasant smell.


Blending stumps

Blending stumps are paper sticks that are often used to smooth out oil pastel drawings. They’re inexpensive and will help to keep your fingers clean while you draw.

When they get grubby, you can clean the tip with a mouldable eraser or rub it with sandpaper.

Now, you should be ready to get started on your own oil pastel creation. Good luck!

Painting with oil pastels tutorial

Oil pastels are a great opportunity to showcase bold colours. For our oil pastel demo below, we worked from a reference photo of a Cotswolds wood in the autumn.

You will need:

  • Oil pastels
  • Oil paint dilutant
  • Mixed media paper
  • Paint brush

Step 1

Setting the scene

We began the drawing with a loose lay-in of lines and colours, contrasting the warm tones of the leaves with the cool shadows on the footpath.

How to use oil pastels step 1

Step 2

Blending the background

Next, we blended this with an oil paint dilutant, which created a smoothed out underdrawing

How to use oil pastels step 2

Step 3

Adding texture to your drawing

After the dilutant had completely evaporated, we added further textures and details over the underdrawing, before repeating the blending process a couple more times.

In this way, we were able to build successive layers of pastels in a variety of marks.

How to use oil pastels step 3

Step 4

Scratch interesting details

In the final stage of the drawing, we used a palette knife to scratch out details like branches, bushes and the skyline between the trees.

How to use oil pastels step 4

Use oil pastels to create bold artwork

Oil pastels can be used to produce dramatic drawings with vibrant colours and lots of texture. They’re convenient to use and can be used to capture an image in a very short period of time.

While oil pastels can be challenging to work with, they’re easy to use once you’ve got the hang of a few basic techniques.

Whether you’re a complete beginner, or an experienced artist who wants to expand their repertoire, oil pastels have a lot to offer.

They’re portable, blendable and available in a huge array of beautiful shades.

Expand your range with soft pastels

Soft pastels are very different to oil pastels, but can be used to produce dreamy drawings. They have a powdery consistency similar to chalk, which makes them ideal for blending.

Find out how to use soft pastels with Gathered’s expert guide.

Soft pastels