30 Free Printable Rainbow Coloring Pages for Kids

Looking for a fun and colorful activity for spring or summer? These FREE rainbow coloring pages are perfect for kids of all ages.

Whether it’s a rainy afternoon or a creative classroom project, these free printable coloring pages are a perfect way to keep little hands busy and imaginations soaring.

From simple rainbows with fluffy clouds to magical unicorns and spring scenes with butterflies and flowers, there’s plenty of different designs to choose from.

These rainbow coloring sheets encourage kids to experiment with different color combinations, whether they want a classic ROYGBIV rainbow or something entirely unique.

Whether you’re planning a weather-themed lesson, a St. Patrick’s Day craft for kids, or just looking for a fun, colorful springtime activity, these free printables are a fantastic choice.

They're great for rainy days, playdates, or even as part of a creative art station. So grab your coloring supplies, pick your favorite designs, and fill these pages with bright and cheerful colors! For more rainbow fun, check out these rainbow crafts for kids!

Rainbow Coloring Pages

This big, bold rainbow with fluffy clouds and a fun “RAINBOW” title is waiting for a burst of color! Make each letter pop with a different hue.

A cute teddy bear slides down a rainbow like a magical roller coaster! Use all the colors of the rainbow to make his ride extra exciting!

This rainbow is bursting with love, featuring tiny hearts on the arc! It would make a festive Valentine coloring page for kids.

Two cheerful butterflies flutter over a beautiful rainbow, ready for a splash of color! Get more butterfly coloring pages here.

These happy little clouds are smiling under a magical rainbow, surrounded by twinkling stars and hearts! Grab your markers and make the sky as colorful as your imagination!

This happy little frog is chilling on a lily pad with a giant rainbow in the sky! Add some blues for the pond and make the rainbow shine with every shade you love!

Even rainy days can be colorful with this cheerful rainbow dripping raindrops from fluffy clouds! Color it in to make the rain look magical instead of gloomy!

This dreamy rainbow is surrounded by fluffy clouds and twinkling stars, just waiting for a colorful makeover! Use soft pastels for a dreamy look or bright neons for a rainbow that shines!

Make these rainbows unique by using different color schemes-pastel, bold colors, or even neon!

Celebrate the arrival of springtime with this spring coloring page with a butterfly surrounded by little flowers!

This cat coloring page illustrates a whimsical scene of a cute kitty perched on a rainbow surrounded by clouds and stars.

This scene perfectly captures a playful and happy cat stretching out on the grass with a curious little bird watching nearby.

Here’s an entire springtime landscape waiting to be filled with bright colors. It has a sun, a rainbow, flowers, clouds, a bird, and even a buzzing bee!

Unicorn Rainbow Coloring Pages

Let your child’s creativity soar with this cute illustration featuring a unicorn sliding down a giant rainbow in the sky.

Bring this magical unicorn to life with vibrant colors! It showcases a whimsical unicorn soaring high in the sky under a giant rainbow.

This one is designed specifically for young children captivated by the magic and wonder of unicorns.

This illustration features a cheerful unicorn kitty sitting in a grassy field with a big rainbow above it.

This unicorn is standing on a fluffy cloud with a rainbow shining behind it! Give its mane and horn sparkly colors with metallic crayons!

This unicorn trots across a green meadow under a bright rainbow! Use pastel shades or bold rainbow colors to bring this fairytale scene to life.

Add a touch of sparkle with glittery crayons to make this unicorn extra magical!

A sleepy little caticorn rests on a rainbow, dreaming of colorful adventures! Add some pastel magic to make this the cutest rainbow scene ever!

Let your kid’s creativity roll with this roller-skating unicorn amidst a spring scene with flowers, sun, and a rainbow in the sky!

More Unicorn Coloring Pages

St. Patrick’s Day Coloring Pages

Spread some luck of the Irish with this rainbow page with the word “Lucky” on it. Younger children will love this sheet!

Here is a coloring sheet featuring a large pot of gold at the end of a rainbow. Younger children will have fun adding vibrant colors to this one.

Nothing says St. Patrick’s Day like a leprechaun happily showing his pot of gold with a rainbow in the distance.

Your kids are bound to have fun adding all the colors of the rainbow to this pot of gold sheet, which features a pot of gold below a rainbow!

This cute leprechaun is wearing a top hat with shamrocks on it and is showing off the rainbow above the pot of gold.

There’s a lot to color in here: the mountain backdrop, a pot of gold, rainbow, and shamrock-covered field. This one will provide hours of fun for your kids.

More Coloring Fun

Follow me on Pinterest, Facebook, Flipboard, or Instagram for more inspiration on crafts, DIY, free printables, and recipes!