How to Paint Flower Petals: Realistic Watercolor Techniques

In the process of drawing flowers, I found that how to draw the petal twist, flowers and background color matching is the question I encountered, to share the organization of my thinking when I draw flowers, the following lilies as an example.

Before drawing the petals, recognize the basic structure of a lily.

Shape characteristics of lilies.

The petals of the lily are usually six-petaled, arranged in a similar structure of two inverted triangles, with the following characteristics:

  • 1. The petals are long and slightly curved, with inward or outward turning ends.
  • 2. Stamens are prominent, usually six in number, tipped with dark pollen.
  • 3. Color variation in the center of the petals, which may be textured, graded, or mottled.

With these characteristics in mind, we can move on to the draft.

To draw a lily, simplify the overall shape and look for similar shapes that summarize the whole, such as a pentagon, hexagon, or trapezoid. Ignore the details of the petal turns and focus on finding the overall shape changes.

Simplify the illustration to look like a hexagon and find the relationship between the petals in terms of slope, using a straight line to mark the slope.
Completing the diagonal lines between the petals makes it easier to see how the shapes relate to each other.

● How to use colors to express the petals?

The overall shape of the lily is similar to a gramophone, or a trumpet, because the bottom of the receptacle is indented, and the inner color of the petals is darker because of the indented shape.

●Glossy (illuminated area)

Bright colors (e.g. cadmium yellow or lemon yellow for yellow lilies, diluted cadmium red or pink for red lilies).

The petals are colored by the shiny surface, and can be blended with cadmium yellow or lemon yellow.
Pink lily petal highlights, available in diluted cadmium red, or pink
For red lily petal highlights, use diluted cadmium red, or cadmium red with a hint of pink.

:: Intermediate (transitional areas)

Color slightly reduce the color scale, so that the color transition is natural (such as using a little orange, red, yellow toned orange-yellow or orange-red).

:: Dark Side (Shadow Zone)

Use complementary or cool colors to express the colors after the area transition, the red lily's shadow with seawater blue and sage red, ivory black.

For example, the shadow of a yellow lily is blended with blue, orange and yellow to produce a cooler orange-yellow color.
White lilies: mainly rely on warm and cold tones to distinguish between light and shadow, blue and purple shade can be used to create a sense of solidity.
Yellow Lily: Use warm yellow + a little orange diluted with water to enhance the light, and contrast the shadows with purple or dark blue.
Red Lilies: Use red + a touch of blue-purple to match the shaded areas and give the petals more dimension.

The texture and detailing of the petals.

1. How to draw the softness of petals


Petals are usually translucent, so to make soft changes, you need to make the color brightness (light and dark) changes close to the other, try to make layers in the wet state.

To express the richness of the petals, you need to pay attention to the length of the petal edges, short, fuzzy and sharp changes.

To learn more about the laws of color brightness, colorimetry, and how to do it, click on this article I wrote about itAbout Color Mixing Primer

2. How to handle petal details

When the petals are semi-dry or almost dry, the color is dotted or waited for dryness, and the petals are thinly overlaid to show the texture of the petals.

White lilies with fuzzy petal edges use moisture control to simulate softness.
The yellow lilies have more detail in the petals and use a thin layer to show the texture of the grain.

Background treatment and color matching


A dark background can accentuate white or light colored flowers.
Light colors or even unpainted backgrounds are suitable for medium gray brightness (luminosity) lilies, which allows the painting mask to focus on the flower transition expression.

The dark background makes the white lilies more visible, creating a contrast between light and dark.
The purple background and the yellow lilies form a complementary color contrast, making the picture more layered.

●Tinting and color matching suggestions

How to choose the color?

Lilies come in a variety of colors such as white, yellow, pink, red, orange, etc. Of course you can change the color scheme of the flowers if you want to do so subjectively.

White lilies: Observe the real thing can be found in the dark areas can be added to the cool and warm color shades (such as blue purple, gray purple) to create layers.

Yellow lily: mainly warm (lemon yellow (greenish yellow), cadmium yellow (slightly reddish yellow), dark yellow, orange-red) yellow as the main, the shadow part can be added to a small amount of blue tone, more gray with the yellow color.

Pink with red lilies: Pink flower highlights can be lightened with cadmium red + water.

Or pink skin, powder blue and cadmium red, darker areas can be mixed with sage red, aquamarine blue or other fuchsia to match.

How do I color-coordinate my blocks?

Light and Shadow Impact:Different areas of the petals will be affected by the light, so you can use cool and cool colors to make layers.

There are green leaves around the petals, bringing the ambient color into the petals will enhance the overall feeling.


Reflective color:Flowers interact with their surroundings, and the edges of petals may have a reflected color of the background, e.g., green leaves may affect the color of the flower.

Flower Practice Suggestions

  • Try to blend with the background when wet so that the background color blends naturally with the theme to create a relationship between the colors.
  • Focus on finding out whether the flower border line is clear or blurred, and choose the right background contrast according to the flower color to make the flower stand out.


Above is the introduction of how to paint flowers with watercolor, have you encountered any difficulties in color mixing or other difficulties when painting flowers?

If you want to learn to draw, but don't know how to start, or are interested in understanding what drawing is all about.

Welcome to join line Contact meIn my classroom, I organize the way I learn to draw in a clear and organized way.

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