How to Draw a Cartoon Rainbow

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Learn how to draw a cartoon rainbow with smooth arches and two fluffy clouds. This easy drawing tutorial helps beginners practice spacing, curves, and balanced shapes.

Preview of Cartoon Rainbow drawing
Preview of Cartoon Rainbow drawing

What You Will Need

  • Drawing paper
  • Pencil and eraser
  • Black marker or colored pencils

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Time needed:

30 minutes.

Step-by-Step Drawing Guide

Step 1: Start the Inner Bands

how to draw a cartoon rainbow - Cartoon rainbow Step 1 showing two parallel curved bands

Draw two broad, parallel arches near the center of your paper. Keep both ends open and pointing downward.

Pro Tip: Leave an even gap between the arches from end to end.

Step 2: Add Two Outer Arches

how to draw a cartoon rainbow - Cartoon rainbow Step 2 showing two larger arches added outside the first pair

Draw two larger arches above the first pair. Follow the same rounded shape while keeping the spacing consistent.

Pro Tip: Turn the paper slightly if that helps your wrist make smoother curves.

Step 3: Complete the Rainbow Bands

how to draw a cartoon rainbow - Cartoon rainbow Step 3 showing six evenly spaced arch lines

Add two more arches around the outside of the rainbow. Extend them slightly lower than the previous curves.

Pro Tip: Compare both sides so the arch ends reach similar heights.

Step 4: Draw the Left Cloud

how to draw a cartoon rainbow - Cartoon rainbow Step 4 showing a complete cloud beneath the left side

Build a cloud around the left ends using connected rounded bumps. Close its bottom with several smaller, soft curves.

Pro Tip: Vary the bump sizes to make the cloud look naturally fluffy.

Step 5: Begin the Right Cloud

how to draw a cartoon rainbow - Cartoon rainbow Step 5 showing the open lower outline of the right cloud

Add the upper and side bumps of a second cloud below the right ends. Leave the bottom open for the final curves.

Pro Tip: Make this cloud about the same width as the first one.

Step 6: Finish the Right Cloud

how to draw a cartoon rainbow - Cartoon rainbow Step 6 showing both clouds and the completed cartoon rainbow

Close the right cloud with three rounded bumps along its bottom. Join the new line neatly to both side curves.

Pro Tip: Use smooth joins so the cloud reads as one continuous outline.

Step 7: Color in your drawing!

how to draw a cartoon rainbow - Step 7: Color in your drawing!

Fun Facts

  • A rainbow is formed when sunlight is refracted, reflected, and dispersed by water droplets.
  • Real rainbows are full circles, although the horizon usually hides their lower halves.
  • Repeating parallel curves is a useful exercise for improving line control.

Pin it now, Draw later!

how to draw a cartoon rainbow pinterest pin

Trace the final lines, erase unwanted marks, and color each band brightly. Your cheerful cartoon rainbow is complete, so try drawing another with different cloud shapes.

Get the FREE Printable Drawing Guide

Printable Cartoon Rainbow Drawing Guide

FREE Download Printable Cartoon Rainbow Drawing Tutorial

Frequently Asked Questions

How can I keep the rainbow bands evenly spaced?

Place small guide dots along each planned arch before connecting them smoothly.

Which colors should I use for the rainbow?

Use the familiar rainbow order or choose any playful palette you enjoy.

Can I add details around the clouds?

Yes, small raindrops, stars, or smiling faces can personalize the finished drawing.

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