Art History & Famous Paintings

Impressionist Paintings: What Defines the Style and How to Paint It

Critics mocked these canvases as unfinished, yet the unblended strokes they hated are now one of the fastest ways to loosen up your own painting.

Artist painting a colorful study in the impressionist style with loose visible brushstrokes
Loose, visible strokes and strong color are the heart of the Impressionist method.

An Impressionist painting captures a fleeting moment of light in quick, visible strokes of unblended color, usually in front of an ordinary subject: a garden, a train station, a friend reading by a window. When these canvases first appeared in Paris in the 1870s, critics called them unfinished. Today they hang in the most crowded rooms of every major museum in the world.

Here is why that matters for you as a painter. Impressionism is more than a chapter of art history. It is a learnable set of habits, and practicing those habits will loosen your brushwork and sharpen your eye no matter what style you eventually call your own. This guide covers what defines the style, where it came from, which paintings to study, and four ways to practice it this week.

What makes a painting Impressionist?

Three markers give an Impressionist painting away: brushstrokes left visible instead of blended, light treated as the true subject, and everyday scenes painted quickly, often outdoors in a single sitting.

Impressionist paintings were quick, alla prima works painted on location, as Dimitra Milan, co-founder of Milan Art Institute, explains. Alla prima means the painting is finished while the paint is still wet, without layers of careful glazing underneath. That speed was a choice, not a shortcut. Light changes by the minute, so these painters trained themselves to capture the impression of a moment rather than a polished record of an object.

Compare that with the academic painting of the day, which prized invisible brushwork and a high degree of finish. The art establishment had already been challenged once by the Realist movement, which dragged ordinary life into serious painting. The Impressionists went further. They let you watch the painting being made, stroke by stroke, right there on the canvas.

Where did Impressionism come from?

The name began as an insult. In 1874, a group of painters including Claude Monet, Auguste Renoir, and Edgar Degas grew tired of rejection from the official Salon and mounted their own independent exhibition in Paris. Critics mocked the loose, sketchy canvases as mere impressions rather than finished paintings, borrowing the word from Monet’s harbor scene Impression, Sunrise. The painters kept the insult and made it a banner.

Technology made the movement possible. Paint in portable tubes had just been invented, which freed artists to leave the studio. Before that, paints had to be prepared and stored in ways that made travel impractical, so serious painting stayed indoors. With tubes, an artist could pack a bag, walk to the river, and paint the light actually falling on the water.

New pigments arrived at the same time. As Dimitra explains, bright yellows and oranges feature prominently in Impressionist work because the pigments behind them had only recently been invented, and they let painters capture light in a way earlier palettes could not. The development of technique has often followed the development of tools, and Impressionism is one of the clearest examples in art history.

Which artists and paintings should you study?

Start with four painters at the heart of the movement: Claude Monet, Auguste Renoir, Edgar Degas, and Mary Cassatt. Monet spent his entire life refining the style, from Impression, Sunrise through the Water Lilies canvases that occupied his final decades. Renoir painted people at leisure, most famously in Luncheon of the Boating Party. Degas followed ballet dancers through rehearsal rooms. Cassatt, the great American in the group, painted mothers and children in quiet domestic light.

These painters knew each other, formed real friendships, and exhibited together when the establishment shut them out. That community is part of the lesson: the movement survived years of mockery because its members refused to face it alone.

Vincent van Gogh and Georges Seurat are often grouped with the Impressionists, and both owe the movement a great debt, but art historians classify them as Post-Impressionists. Van Gogh took the visible stroke and pushed it toward raw emotion. Seurat took optical color mixing and systematized it into Pointillism. Study them to see where the Impressionist discoveries led next.

You do not need a flight to Paris to look closely at any of this work. Many of the world’s great collections are open through virtual museum tours, our guide to famous historical oil paintings walks through more movements worth knowing, and the full art history and famous paintings archive goes deeper on the painters who shaped how we work today.

How do you paint like an Impressionist?

Practice four habits: record each brushstroke, mix color optically instead of on the palette, paint outdoors when you can, and finish faster than feels comfortable. These are the same four we put in front of students first, because each habit makes the next one easier.

Expressive painting built from unblended strokes of red, green, and blue in the spirit of Van Gogh

  1. Record each brushstroke. The Impressionists revolutionized the idea that we should see the strokes on the canvas. As Dimitra Milan puts it, they avoided blending. They laid down one stroke, then another, then another, and let whatever they were feeling in the moment dictate the mark. Try it yourself: load the brush, place the stroke, and leave it alone. The urge to soften every edge is exactly the habit this exercise breaks.

  2. Mix your colors optically. Instead of mixing a color on the palette, place pure strokes side by side and let the viewer’s eye do the mixing. If you want a patch of purple, lay a stroke of blue next to a stroke of red and step back. At viewing distance the two read as purple, with a vibration that premixed color cannot match. (When you do want to mix it conventionally, our guide to making purple in acrylics and oils covers the pigments that keep it clean.)

  3. Paint outside if you can. Portable paint tubes gave the Impressionists the freedom to pack up their supplies and chase fleeting effects: light rippling on water, friends talking at a boat party, a street after rain. Painting on location forces you to work quickly and to capture the essence of a subject before it changes. Urban sketchers and travel painters today work in a direct line from this practice. If outside is not an option, set up at a window and paint what you see in one session.

  4. Paint faster than you normally do. If a painting usually takes you fifteen to twenty hours, aim to finish one in four to six. Break it into one or two sessions if you need to. Speed forces decisions: which shapes matter, which details to drop, where the light actually lives. Those decisions, made hundreds of times, are what turn careful renderers into confident painters.

The Impressionists persisted through rejection and ridicule and created one of the most loved movements in the history of art. The habits that scandalized the Salon (visible strokes, broken color, honest speed) are now some of the fastest ways to grow as a painter. Pick one this week and put it on canvas.

Frequently asked, answered fast

If you want a structured place to practice loose, expressive brushwork with real feedback from working artists, the 2-Week Challenge is built for exactly this kind of leap.

Frequently asked questions

Was Van Gogh an Impressionist?

Not strictly. Van Gogh is usually classified as a Post-Impressionist. He absorbed the Impressionists' bright color and visible brushwork during his years in Paris, then pushed both toward raw emotional expression. Georges Seurat did something similar, turning optical color mixing into the precise dot system called Pointillism.

What is the most famous Impressionist painting?

Monet's Impression, Sunrise (1872) is the canvas that gave the movement its name. Monet's Water Lilies series, Renoir's Luncheon of the Boating Party, and Degas's ballet dancers are among the most widely recognized Impressionist works today.

Can you paint in an Impressionist style with acrylics?

Yes. The core habits (unblended strokes, colors placed side by side, fast sessions) work in any medium. Acrylics dry quickly, which suits the alla prima approach, though you will need to place each stroke decisively because there is little time to adjust.

What to practice this week

  1. Paint one small study in thirty minutes where every stroke stays where you put it: no blending, no second pass.
  2. Make a patch of purple using only separate strokes of blue and red, then step six feet back and let your eye mix them.
  3. Pick a subject you would normally spend fifteen hours on and finish a version in four to six, in one or two sittings.

Supplies used

Portrait of Elli Milan

About the author

Elli Milan

Elli Milan is a working artist and co-founder of the Milan Art Institute. She has spent decades painting and teaching, and built the Mastery Program to take serious artists from blank canvas to a body of work that is truly their own.

More from Elli