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🌈 Winsor & Newton Cotman Watercolor Color Wheel

  • Writer: Coloring Rainbows
    Coloring Rainbows
  • Feb 17
  • 3 min read

Making ART!! Having FUN!!


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🌈 Create a Watercolor Color Wheel Using Winsor & Newton Cotman Watercolors

Building a color wheel is one of the most effective ways to learn how pigments behave in real watercolor mixing. When you limit yourself to just three primary colors, you quickly see how secondary and tertiary colors emerge—and how different paint formulations influence the final results.


In this guide, we’ll use Winsor & Newton Cotman Watercolors, a student-grade line known for its affordability, consistency, and surprisingly strong performance for learning color theory.


Materials You'll Need

  • Watercolor paper (cold press, 140lb or 300lb)

  • Pencil and eraser

  • Compass or circular template (see below)

  • Ruler

  • Round Watercolor Paintbrush

  • Water container

  • Mixing palette

  • Paper towel

  • Three primary colors (suggestions below)


Optional:

  • Waterproof pen for labeling

  • Color swatch journal


Cotman 3-Primary Color Wheel Palette

For this exercise, we’ll use a simple traditional-style primary set:

  • Lemon Yellow Hue

  • Alizarin Crimson Hue

  • Ultramarine


Image depicts the 3-primary colors from the Winsor & Newton Cotman Watercolors which are Lemon Yellow Hue, Alizarin Crimson Hue, Ultramarine (PB29)

Unlike professional single-pigment sets, Cotman “Hue” colors are often blends of multiple pigments designed to mimic traditional hues. Their mixing behavior is less predictable than professional paints. This means:

  • Oranges may appear slightly muted or earthy

  • Violets often lean soft and subdued

  • Greens can shift toward olive or natural tones


🟡 Lemon Yellow Hue

  • Bright, student-grade yellow

  • Hue version contains multiple pigments

  • Good for basic mixing

  • Slightly less clean than professional PY3 alternatives


🔴 Alizarin Crimson Hue

  • Traditional-looking cool red

  • Hue version may shift differently than genuine PR83 replacements

  • Useful for soft violets and muted oranges

  • Less predictable than single-pigment quinacridones


🔵 Ultramarine (PB29)

  • Reliable warm blue

  • Slight granulation depending on paper

  • Good mixing behavior

  • Produces natural greens and violets


Create a Color Wheel

Here are the instructions for how to create the color wheel:


Step 1: Draw the Color Wheel

Draw a circle and divide it into 12 equal sections for these colors:

  • 3 primary colors

  • 3 secondary colors

  • 6 tertiary colors

Image depicts a circle with 12-pie slices to represent an outline for color wheel

Step 2: Paint the Primary Colors

Place your three primaries evenly around the wheel.

  • Yellow at the top (12 o'clock)

  • Red on the lower right (4 o'clock)

  • Blue on the lower left (8 o'clock)


Let the paint dry before continuing.


Step 3: Mix the Secondary Colors

Mix equal parts of neighboring primaries:

  • Yellow + Red = Orange

  • Red + Blue = Violet

  • Blue + Yellow = Green


Place each secondary color between its parent primaries.


Step 4: Create the Tertiary Colors

Fill the remaining six sections by mixing each primary with its neighboring secondary:

  • Yellow + Orange

  • Red + Orange

  • Red + Violet

  • Blue + Violet

  • Blue + Green

  • Yellow + Green


What You Learn From This Exercise

By building a color wheel with these paints, you begin to understand:

  • How student-grade paints actually behave in practice

  • Why hue mixtures can affect color clarity

  • How limited palettes still create full color systems

  • How mixing results differ from professional pigments


Most importantly, you see that color theory is not abstract—it is shaped entirely by the physical behavior of real watercolor pigments.


🌈 Final Thoughts

Creating a color wheel with Winsor & Newton Cotman Watercolors is a practical, accessible way to explore color theory. While the results may be less vivid than professional pigment sets, the experience is extremely valuable:

  • It teaches real-world mixing expectations

  • It reveals the impact of pigment quality

  • It builds confidence with limited palettes

  • It strengthens foundational color understanding


Most importantly, it shows that color theory works at every level—from student paints to professional artist-grade watercolors.

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