15 Ravishing Rainbow Cakes

Rainbow Cakes Inspiration
Yay! It’s SPRINGTIME now! Rainbows are among the most beautiful of nature’s displays. It’s the perfect time to do a blog post on RAINBOW cakes! The cake theme is one of my favorites because the cakes are so colorful and very aesthetically pleasing. Read on to get your rainbow inspiration! 🌈
Rainbow Brushstroke Cake

Click here to see how I made this rainbow brushstroke cake including a video! It’s one of the easiest cake decorating techniques that you can do!
Rainbow Baby Shower Cake

How beautiful is this baby shower cake with the rainbow stripes? LOVE. Sometimes, simplicity is the best.
Cake by @sweetdeetails
Rainbow Birthday Cake

Using colored dots to make rainbows is such a clever idea! The clouds look like they’re literally floating on this adorable birthday cake.
Cake By cakesbyrobincakes
Colorful Rainbow Cake

This just screams “FUN” when I look at it! All of the colors and sprinkles. The double border is pretty amazing! I personally used this technique for one of my cakes. It’s such a fun look!
Cake By @theflourgirl_/
Rainbow Buttercream Cake

Such a pretty cake! I’m really digging the buttercream piped technique used on the cake. The buttercream clouds are perfection!
Cake By @lovliecakes. Check out her YouTube channel!
Rainbow Petal Cake


The petal buttercream technique always has a really pretty end result like this gorgeous rainbow cake! It isn’t a rainbow cake if the cake layers aren’t colored like a rainbow.
Cake By @septemberscakes
Want to see more of her cakes? Check out her cake decorator spotlight!
Rainbow Stripe Cake

This cake is a fan favorite on Instagram! How can you not love this splendid cake?! The striped cake technique is a favorite among many bakers and it’s easy to see why.
Cake By @sugarcoatesbakery
Buttercream Piped Rainbow Cake

What a fabulous and unique idea for a rainbow cake by using an open star piping tip for this sweet cake!
Cake By @deelishcakecreations
Rainbow Textured Cake

Here’s another idea for a buttercream piped cake. Simply gorgeous and I love how the color flows to the next color on the cake!
Cake By @cakelaurenloves
Rainbow Candy Cake

This cake is so fun. It’s filled with candies and buttercream tips. Perfect for a little girl’s birthday!
Cake By @vanilla_icedcakes
Rainbow Thick Stripe Cake

Beautiful thick stripes! Loving the piped multi-colored border at the bottom and on the top of the cake.
Cake By @cakes.by.dae
Rainbow Care Bear Cake

Did you love CareBears as a child? I did! This just took me down the memory lane of watching the cartoons a child. Lots of rainbows for this delightful cake!
Cake By @cakecreationsperth
80’s Rainbow Cake

Again, the memory lane! Wow, it’s so amazing. I’m loving the rainbow drip! Great use of the rainbows for the cake.
Cake By @emilyskitchenbakes
Rainbow Drip Cake

Stunning cake, isn’t it? I LOVE the girly faces on the clouds. Perfect 1st birthday cake!
Cake By cakespotperth
Rainbow Unicorn Cake

OMG, isn’t this cake too adorable? The unicorn is so cute and fits the rainbow theme cake perfectly!
Cake By @abonnieweecake
Cascading Rainbow Cake

I really love the cascading rainbow on this cake! So lovely.
Cake By @florencedevouge
How are you liking these rainbow cakes? Lots of details and colors and the theme has endless options! Check out more rainbow cakes on Instagram using the hashtag, #rainbowcakes.
Special thank you to the cake decorators who kindly shared their work!
Helpful Tutorials
Easy Rainbow Cake from Scratch