25+ Rainbow Cakes Ideas That Look Too Perfect to Eat

Rainbow cake ideas you definitely must keep in your recipe book! Yes, rainbow cakes have been a trend recently. Many parents get them made for their kids’ birthday parties with the sure oohs and ahhs from their little mouths. They’re super cute to look at and even perfect for adults!

I love a classic rainbow cake. Then, there are some that are just so beautifully made, it’d be a waste to devour. Ever had that feeling?

Well, if you have not, you’re about to have the major feels. Take a look at these perfectly made rainbow cakes and see if you’d want to do anything to damage its pristine feature.

Rainbow Cake Ideas and Flavors

The classic rainbow cake has a vanilla flavor, but there is a way to make it just according to your taste. Thanks to the latest flavored coloring gels, you can add some strawberry, citrus, raspberry, or even blueberry taste to your rainbow cake.

If you want to bet on a classic, buttercream is a popular filling choice, but when you want to add some more personality to your cake, consider trying one of the other favorites and add some extra flavor to your cake.

  • Chocolate Filling
  • Strawberry Cream Filling
  • Raspberry Filling
  • Apricot Filling
  • Cream Cheese Filling

Rainbow Cake Ideas and Dye Tips

When you are looking for bright and rich rainbow colors, you better bet on food coloring gels. You can pick classic ones, or with added flavors. It all depends on your personal taste, and not least on the flavor of the filling. 

You can easily find rainbow cake ideas with absolutely natural coloring.

  • Pink: strawberries, raspberries
  • Red: beets, tomato
  • Orange: carrots, paprika, sweet potato
  • Yellow: saffron, turmeric
  • Green: matcha, spinach
  • Blue: red cabbage + baking soda
  • Purple: blueberries, purple sweet potato
  • Brown: coffee, tea, cocoa.

Rainbow Cakes Ideas

Be ready for another slice of a rainbow, happy faces, and lots of joy!

For recipes and instructions for each cake, please check the credits under the image which will take you to the recipe creators website!

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1. Ruffles Layers

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Layers and layers of colors to imitate the wonder of a rainbow. I would love to give this a try if my hands would cooperate. Sure, I bake, but this takes a lot of skills! It looks so perfect!

Here’s a tutorial if you want to give it a try.

2. Rainbow Cake Ideas with Swirl 

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It’s quite hypnotizing to look at, right? I love how simple yet so perfect this cake is. The gradient color of the piped icing is such a brilliant work of art! I’m sure this takes time, skills, and pinpoint precision to decorate!

3. Galaxy Rainbow 

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Okay, this isn’t the usual rainbow cake you’d expect to see. But, it is a rainbow fit for the beauty of the galaxy. Just look at the hues of purple, violet, blue, and silver. It may not be the bright multi-colored rainbow we’re used to, but this is one of the rainbow cakes to behold.

4. Aqua Rainbow Cake

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Anybody got a rising pop star diva for a daughter out there? This would be the perfect birthday cake! It’s extravagant, colorful, and sparkly.

5. Buttercream Rainbow Cake Ideas

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Looks like rainbow cakes need a lot of work, huh? Probably if you’re not well versed in piping. Guess what? There’s a tutorial for this. Check out My Cake School for the full know-how.

6. Glam Rock Cake

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I know what you’re thinking, “How is this a rainbow cake?”. Well, it’s not exactly a rainbow cake, but the colors of the sprinkles and the inside might as well be included in the basic colors of a rainbow.

Then again, you might be thinking how insanely cool this looks and are agreeing with me that this one of the best-looking rainbow cakes on this list.

7. I ♥ Rainbows Cake

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Formerly known as Wild Orchid Baking Company, Erin Bakes has taken rainbow cakes to an even more feminine level by adding rainbow hearts made of fondant. This is the perfect picture of plain and simple yet totally eye-catching!

8. Rainbow Sprinkle Cake 

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If doesn’t remind you of a rainbow, I don’t know what will. Just look at the perfection of these bursts of colors. This doesn’t take that many skills to follow. All it needs is tons and tons of sprinkles and a whole lot of fun!

9. Flower Power Cake

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10. Pastel Rainbow Cake

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I do not have much to say about this except, “Wow!”. The rainbow colors in pastel is just absolutely mesmerizing. I would not want to even touch this piece of art. I’d be happy to just stare at it.

11. Candy Land Rainbow Cake 

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Katherine Sabbath is a cake genius, I tell you. I mean, are you looking at this cool-looking version of a rainbow cake? More on the usual “candy” colors girls love but still with every feeling of a rainbow. Am I in love?

12. Pastel Rainbow 

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Softer colors make a lit rainbow cake fit for any occasion. Your little girl will definitely love this and squeal with joy!

13. Unicorn Pinata Cake 

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Now, this is a solid combo of bright and pastel rainbow colors. I am utterly fascinated by the pastel effect on the top layer. How do they do it so well?

14. Rainbow Cakes Tower 

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Try looking up at this beauty and tell me that you don’t expect to see a pot of gold on top. This is 100% rainbow worthy.

15. Rainbow Drip Cake

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I totally appreciate how abstract this rainbow drip cake looks. It’s as if the blend of the rainbow colors are supposed to look exactly like that. All in all, this cake looks great!

16. Chocolate Rainbow Cake 

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What I love about this cake is that it’s so simple outside, but you’re in for a surprise once you cut it open. I think that’s what a cake is supposed to be.

17. Rainbow Donut Cake 

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Donuts, chocolate drip sauce, and rainbow cakes base? Oh, yes, this is a knockout combo people would not hesitate to spend their money on! One of my favorites on this list!

18. Mermaid Rainbow Cake

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19. Fluffy Rainbow Cake

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20. Rainbow Candy Cake

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21. Rainbow Fondant Cake

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22. Rainbow Dots Cake

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23. Minion Rainbow Cake

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24. Rainbow Cake Ideas in Pastel 

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25. Checkboard Rainbow Cake

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26. Chocolate Rainbow Cake

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27. Rainbow Lollipop Cake

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Are you all rainbowed out?

I told you they’d look too perfect to eat, right? Either way, if you’re planning your kid’s next birthday party, I’m sure you’ll be considering any of these rainbow cake ideas after this.

Kids love to color and if they don’t have a favorite concept you can base your theme on, a rainbow cake is a very solid contender yet perfectly safe.

Have a colorful day!

Any thoughts on this post? Let us know in a comment below!

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Fueled by fun and the simple things in life, I am a full-time writer, a baker on some days when I actually have spare time and a back-up vocalist on the weekends. Coffee and I don't work well together but give me a glass of milk tea or really rich cocoa and we'll be friends for life.

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