Rainbow Birthday Party Cake, Food & Decoration Ideas

Spread a rainbow full of colorful cheer with this Rainbow-inspired birthday party. Hosted by a good friend for her daughter’s 5th birthday, every last detail came in a full array of colors. Perfect party ideas for the Rainbow Loom craze

Rainbow Birthday Party

Rainbow Birthday Party Cake Decorations

Rainbow Birthday Party Candy Decorations Favors

Even the food was rainbow!

Rainbow Birthday Party Food Tabletop

Rainbow Birthday Party Favors

Everything was adorable, but when the hostess sliced into the cake guests were blown away by the colorful layers hidden beneath the creamy white icing. Mom baked the cake for the party, and she shared the key to the bright colors was to use gel food coloring.

Rainbow Birthday Party Cake Colored Layers Gumballs

Rainbow Birthday Party Layer Cake Gumballs

Rainbow Birthday Party Cake Colored Layers

The best part, the cake was as good as it looked!

Rainbow Birthday Party Cake Layers Slice

Rainbow Birthday Party Cake Colored Layers Slice

Even the birthday girl’s ensemble was a rainbow of fun. Shirt by Paisley Gator and skirt by Sew So Cutie.

Rainbow Birthday Party Shirt Skirt Outfit

Other rainbow party supplies include:


  1. What a colorful birthday party! Your friend did an awesome job with everything…especially that cake!

  2. I know! Isn’t she awesome!! She is a fabulous baker 🙂

  3. Cute, cute, cute and more cute!

  4. I am so in love with this theme for a birthday party! It looks like Miss Ava had a great day! That cake is just too cool

  5. keely hostetter says:

    I love this idea, thanks for sharing.

  6. What a beautiful cake and decorations! My kids love rainbows and would adore a party like this. I love your daughter’s shirt and skirt too. So pretty and festive!

  7. Love the cute and colorful ideas! Her outfit was darling. I did a rainbow cake for my little girl on her 1st birthday with a homemade angel food cake and different colors of sorbet. Everyone loved the fun and flavorful dessert.

  8. Love the cake!

  9. What a beautiful party! Love her outfit and that CAKE! WOW!

  10. Janice Cooper says:

    How adorable! I would love to have this cake for my niece birthday.

  11. What a beautiful party! The cake is gorgeous, I’m sure everyone was wowed when you cut into it! Love the skirt and shirt too.

  12. Wow! That cake looks amazing! Awesome job! 🙂

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  13. That cake is awesome! So Rainbow brite! I love it!

  14. Great party, amazing details!


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  2. […] enough to make as an after-school treat for your kids, but they would also be adorable for a Rainbow Birthday Party or even a Rainbow Loom Birthday Party. And, of course, they would be great for any St. […]

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