From Outdoor Sketching to Series Painting: Understanding Monet’s Method

Why Reconsider Monet Through His Method?

When people mention Claude Monet, they often think of Impression, Sunrise and Water Lilies. As a leading figure and one of the principal founders of Impressionism, Monet’s importance lies not only in individual paintings, but also in an approach to observation and painting that can be analyzed and repeatedly tested.

This method did not appear fully formed. It developed gradually through his studies and practical experience during his youth. The following sections trace that development chronologically, then examine its underlying logic through three perspectives: technique, series painting, and late-career practice. The final section considers what contemporary artists and visual practitioners can learn from it.

From Caricature to Plein Air Painting

Claude Monet was born in Paris on November 14, 1840. In 1845, his family moved to Le Havre, a port city in Normandy, where he spent most of his childhood and adolescence.

Around 1855, Monet had already gained local recognition for drawing caricatures. This experience sharpened his sensitivity to human form, outlines, and facial expression. It also accustomed him to summarizing subjects with economical lines.

In 1858, Monet met the landscape painter Eugène Boudin. Boudin regularly painted outdoors and paid close attention to temporary changes in the sky, sea, and light. This encounter encouraged Monet to leave the studio and observe nature directly.

The following year, with Boudin’s introduction, Monet went to Paris to study at a private school focused on painting from life. There he met Camille Pissarro, a relationship that influenced his artistic circle for many years.

After completing his military service, Monet returned to Paris in 1862 and entered the Académie Suisse and later the studio of Charles Gleyre. There he met Pierre-Auguste Renoir, Alfred Sisley, and Frédéric Bazille. Although studio training remained largely rooted in realism, the students often went outdoors together in their free time.

In 1863 and 1864, they made repeated painting trips to Fontainebleau and nearby Chailly. These experiences established one of the central principles of Monet’s later practice: important observations should be made under real lighting conditions rather than reconstructed from memory or imagination indoors.

Core Techniques: Observing Color Through Light

Light is the principal subject of Monet’s paintings. The same haystack can appear very different in the morning, at midday, and in the evening. Monet’s central task was to record these changes.

The following principles are commonly associated with Impressionist painting.

1. Let the Light Source Determine the Overall Palette

The dominant color tendency of a scene depends on the quality of its light. A clear afternoon may lean toward warm yellow, while an overcast day may produce gray-blue tones. Fog softens colors and reduces contrast.

The first step is to identify the light source and its overall character. Only then can the painting’s color relationships remain coherent.

2. Avoid Pure Black in Shadows

Shadows are usually affected by skylight and reflected light from nearby surfaces. They may contain blue-violet, gray-green, or warm brown notes.

If shadows are darkened directly with black, the painting can become heavy and lose its sense of air and atmosphere.

3. Use Color Juxtaposition Instead of Excessive Blending

Impressionist painters often placed relatively pure colors beside one another in short brushstrokes. At a certain viewing distance, the eye combines these marks visually.

This approach, sometimes described as optical mixing, helps preserve brightness. It also explains why Monet’s brushwork can appear fragmented when viewed up close but form a coherent object from farther away.

4. Use Complementary Colors to Strengthen the Sense of Light

When complementary colors such as red and green or blue and orange are placed next to each other, they can increase one another’s apparent intensity.

Adding a small amount of red-violet to sunlit grass, or placing cool shadows beside a warm-colored building wall, can make the lighting more perceptible.

5. Treat Speed as Part of the Method

Outdoor light changes quickly. Monet often completed a painting within several hours and sometimes returned to the same location multiple times in a single day.

His short, rapid brushstrokes were not merely a stylistic preference. They were also a response to the temporary nature of changing light.

Series Painting: Holding the Subject Constant

Monet’s series paintings can be understood as controlled experiments. He selected one subject and changed conditions such as time, weather, and lighting, recording how the image changed as a result.

This method shifted observation from a single visual impression toward a comparison of recurring patterns.

The Haystack Series

Painted mainly around 1890 and 1891, the haystack series repeatedly presents a similar composition at different times of day.

Through this process, Monet demonstrated how the same object could take on different colors under different lighting conditions. The focus moved away from the haystack as an isolated object and toward the interaction of light and atmosphere.

The Rouen Cathedral Series

During the early 1890s, Monet painted the façade of Rouen Cathedral many times. The same Gothic elevation appeared differently in morning light, afternoon light, and mist.

The changing illumination redefined both the warm and cool relationships of the stone surface and its apparent texture.

The Water Lilies Series

Monet continued painting the pond in his garden at Giverny for several decades. Over time, the subject expanded from the pond and water lilies to include reflections on the water and the sky above.

In the later works, the horizon and clearly defined spatial structure became less prominent. The surface of the water itself became the central subject.

The shared logic of these three series is straightforward: keep the subject constant, change the conditions, and compare the results. This closely resembles the controlled-variable method used in engineering and scientific research. It is also why series painting can produce a continuous understanding rather than a collection of unrelated impressions.

Monet’s Later Work and the Giverny Period

Around 1883, Monet settled in Giverny, where he designed and developed his garden and pond. This environment became the primary source of his later work and allowed him to observe the same subjects over an extended period.

As he grew older, Monet’s eyesight deteriorated, and cataracts affected his perception of color. His later paintings became more intense in tone, and his brushwork grew freer. Some works show color relationships that differ significantly from those of his earlier period.

Art historians have extensively discussed the relationship between these changes and Monet’s vision problems. However, there is still disagreement about the exact extent of the influence. His work should therefore be considered alongside the paintings themselves and reliable scholarly research.

In the early 1920s, Monet donated a group of large Water Lilies paintings to the French government. These works were later exhibited at the Musée de l’Orangerie in Paris, which became an important place for studying and experiencing his late style.

Monet died at Giverny on December 5, 1926, at the age of 86.

Lessons for Contemporary Learning and Practice

Monet’s approach can be turned into a practical training process. It is useful for beginners practicing from life, as well as for professional work that requires sustained observation and documentation.

1. Keep Consistent Observation Records

For each outdoor study, record the time, weather, direction of the light source, and dominant colors. Over time, these notes create material that can be compared across sessions.

The act of recording is itself a way to develop observational skills.

2. Control One Variable at a Time

Choose the same subject and change only one condition in each session, such as the time of day or the viewing angle.

This makes it easier to identify the relationship between light and color and to understand how one change affects the image.

3. Work from the Overall Structure to the Details

First establish the large color areas and the main light-and-dark relationships. Then refine local forms and brushwork.

When the overall relationships are wrong, detailed rendering cannot rescue the painting.

4. Limit Your Tools and Palette

Use a fixed set of colors and a limited selection of materials. Reducing these variables allows more attention to remain focused on the relationship between light and color.

5. Learn the Method Rather Than Copying the Results

Monet’s lasting value lies in his process of observation and judgment. Directly imitating his brushwork or compositions may produce superficially similar images, but understanding his logic of light and color makes the method transferable to new subjects.