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    Home » Recipes

    25 Best Rainbow Cake Ideas

    Published: May 30, 2023 by heather · This post may contain affiliate links · Leave a Comment

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    Rainbows make the world a more beautiful place, and cake makes every party sweeter! What better way to celebrate a special occasion than with a rainbow cake? Here are 24 rainbow cake ideas that will add a touch of magic to your special day.

    Slice of rainbow cakes.

    With rainbows being so cute and trendy, it’s no surprise that there’s an abundance of cake ideas for this theme.

    We’ve rounded up some of our favorite rainbow cake ideas, featuring everything from colorful cake layers, to sprinkles, to festive frosting and more.

    The best part about rainbow cake designs is that they radiate happiness! Your rainbow cake will be just as fun to create as it will be to enjoy.

    Rainbow cake designs

    1. Cake Mix Rainbow Layer Cake

    This beautiful rainbow layer cake is easy to make with the help of boxed cake mix! Follow the instructions in this post to see how this fun cake with colorful layers and buttercream frosting comes together.

    2. Rainbow Surprise Cake

    Get ready for a sweet surprise… cutting this cake open will reveal an explosion of rainbow sprinkles! With colorful cake layers and plenty of sprinkles, this rainbow cake recipe is guaranteed to be a hit at your party.

    https://www.pinterest.com/pin/717057571940913738/

    3. Rainbow Sprinkle Cake

    Here’s a simple cake idea that is fun and easy to recreate at home. This cake is perfectly moist and fluffy. All you need to do is frost and layer your cake, add some sprinkles for a beautiful finish, and enjoy!

    4. Beautiful Rainbow Cake

    One of our favorite rainbow cake ideas is this gorgeous layered cake that swaps red with pink. Our absolute favorite detail from this design is the dripping golden ganache. Check out the helpful video in this post to see how it’s done!

    5. Spatula Painted Rainbow Cake

    Frosted with vibrant colors, this eye-catching cake design is the perfect cake for a special celebration. We love how this design has a unique hand-painted look.

    https://www.pinterest.com/pin/355362226850471412/

    6. Polka Dot Rainbow Cake

    Polka dots are so cute and make a great addition to any sweet treat! Topped with a fondant rainbow, this cheery cake design uses different colored fondant to create a beautiful polka dot display. 

    7. Rainbow Swirl Cake

    Perfect for any tie dye lover, this colorful swirl cake is one of the coolest rainbow cake ideas out there. Check out the step-by-step instructions and tutorial video in this post to see just how fun this cake is to recreate.

    8. Rainbow Cloud Cake

    The rainbow cloud design on this cake is absolutely adorable! You can easily make this cake at home with some piping bags and your choice of decorating tips to get your desired look.

    9. Rainbow Tie Dye Cake

    This bright and beautiful tie dye cake is so fun to make! We’re a huge fan of tie dye cakes not only because they’re delicious, but also because each one is truly one-of-a-kind and unique.

    10. Rainbow Poke Cake

    Requiring only 20 minutes of prep time, this special treat made from boxed cake mix and Jello is one of the easiest rainbow cake ideas to recreate. This recipe works well with any selection of Jello flavors –– so pick your favorites and enjoy!

    11. Rainbow Cupcake Cake

    How cute is this rainbow cupcake cake?! We absolutely love cupcake cakes because they look just like regular cakes, but are even easier to make. Better yet, they’re the perfect mess-free treats to serve at any party!

    12. Rainbow Cake Roll

    Cake rolls are a creative twist on your classic cake. Each slice of this dessert is a stunning swirl of colorful cake and frosting. Follow along with the step-by-step instructions to see how easy it is to make your own.

    13. Rainbow Buttercream Cake

    Here’s a cake that uses buttercream to create a beautiful floral pattern. We love how this design uses decorating tips to make the frosting look just like roses!

    14. Rainbow Bundt Cake

    Decorated with rainbow sprinkles, this festive cake will look incredible on your dessert table. Our favorite detail from this cake is the way that the colors are layered. When you slice it open, the inside is a perfect rainbow!

    15. Chocolate Rainbow Cake

    While most rainbow cakes use dyed cake, the rainbow theme is more subtle in this creative design. This rainbow layer cake features rainbow frosting in between decadent layers of chocolate cake. 

    16. Rainbow Heart Cake

    What better way to celebrate a special occasion than with heart decorations and vibrant colors? This beautiful cake features fondant hearts in a variety of colors, and sugar pearls that take the design to the next level.

    17. Easy Rainbow Cake

    Everything’s more fun with sprinkles! Check out this fun cake covered completely in rainbow sprinkles. Not only is this cake delicious, it’s also super easy to make!

    18. Pastel Rainbow Cake

    Pastel colors make life feel extra dreamy. Here’s the dreamiest rainbow cake, frosted with soft pastel colors and topped with an assortment of sprinkles. 

    19. Rainbow Cake Topper

    Our list of rainbow cake ideas would be incomplete without an idea for a cake topper! Here’s a DIY recipe for the cutest clay topper that is guaranteed to take your cake to the next level.

    20. Rainbow Marble Cake With Frosting

    Marble cakes are classy and so incredibly fun! Watch the instruction video in this post to see how easy it is to make your own. We love the soft swirled design on the inside as well as the bold textured design on the outside.

    21. Tiered Rainbow Cake

    Standing tall and radiating happiness, this gorgeous tiered cake will be the talk of your party. This cake features an adorable polka dot pattern and three large rainbows to tie it all together.

    22. Swirly Rainbow Cake

    Swirly designs are mesmerizing and will elevate your cake design! The instructions in this post will walk you through all the steps to help you create your own swirl of colorful icing. 

    23. Rainbow Unicorn Cake

    Unicorns are trendy, magical, and absolutely adorable. Perfect for any unicorn themed party, this cake idea is sure to make your party extra special. Cut it open to reveal the surprise of beautiful rainbow cake layers!

    24. Rainbow Candy Cake

    Calling all candy lovers! This rainbow layer cake decorated with Twizzlers and gummy bears is guaranteed to satisfy any sweet tooth. We’ve never seen a happier cake. 

    25. Rainbow Cake Pops

    Colorful, fun, rainbow cake pops are perfect for a party. Made with a cake mix and frosting, these cake pops are sure to bring a smile to your guests face.

    Rainbow Cake Toppers

    • Rainbow cloud topper
    • Pastel rainbow cake topper
    • Cute rainbow cake topper

    More fun cakes

    • Frozen cakes
    • Paw Patrol cakes
    • Cocomelon cakes
    • Pokemon cakes

    📖 Recipe

    Slice of rainbow cakes.

    Rainbow Cake Ideas

    Heather
    A collection of rainbow cake ideas.
    Print Recipe Pin Recipe
    Prep Time 5 minutes mins
    Total Time 3 minutes mins
    Course Dessert
    Cuisine American
    Servings 6
    Calories 328 kcal

    Ingredients
      

    • 1 store bought or homemade cake
    • 1 tablespoon rainbow sprinkles
    • 1 rainbow cake topper

    Instructions
     

    • Top cake with rainbow sprinkles and rainbow cake topper.

    Nutrition

    Calories: 328kcalCarbohydrates: 72gProtein: 4gFat: 3gSaturated Fat: 2gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 1gTrans Fat: 0.4gSodium: 597mgPotassium: 53mgFiber: 1gSugar: 38gCalcium: 189mgIron: 2mg
    Keyword rainbow cake
    Tried this recipe?Let us know how it was!
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    Filed Under: Parties, Recipes

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    Hi! I'm Heather and I'm here to share my love of parties, holidays, food, and fun.

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