Rainbow Crochet Prism Effect Pattern Ideas

§A crochet prism effect is a great way to replicate one of nature’s most stunning phenomena. The subtle game of color changes, vibrant hues and creative crochet techniques all mixed up together in wonderful free patterns. That’s an effect of the great rainbow crochet design!
From a blanket, to the everyday pullover, the crochet prism effect can be used in many different projects. It looks great on a granny square created with differently colored yarns. It’s amazing when crafted with multicolor rainbow yarn using any stitch you really like. One thing is sure, the crochet prism will bring you joy and will brighten up your day!
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1. Quarter Square Triangles Blanket
Surprising as the prism effect itself, this beginner crochet prism blanket design by Yarnspirations it’s worth the hustle. It is constructed with four parts that are joined into one square blanket. Each piece can be worked a little bit differently, with divergent prism color selections. Even a color block will work, as long as you match the yarn weights.Â
- DESIGNED by Red Heart Design Team
- PROJECT TYPE blanket
- CRAFT crochet
- SKILL LEVEL beginner
Photos Red Heart Design Team / ravelry.com
Find original free pattern on yarnspirations.com, or read more about it on Ravelry.
2. Rainbow Burst Stool Cover
A crochet prism effect is the one that’s perfect for a household with kids. What a great idea to make a colorful, rainbow-like crochet stool cover to protect the beautiful furniture. The pattern by Sandi Rosner comes with a practical down string edge. They secure the crochet cover  so it won’t slip off the table or taboret.
Choose easily washable yarn for easy maintenance, the best would be an artificial fiber yarn.
- DESIGNED by Sandi Rosner
- PROJECT TYPE stool cover
- CRAFT crochet
- SKILL LEVEL beginner
Photos Sandi Rosner / ravelry.com
Find original free pattern on yarnspirations.com, or read more about it on Ravelry.
3. Rainbow Rug
Every kid’s room needs fun and colorful additions. Why not crochet prism effect in the form of a rainbow rug? The Hobbii Design pattern is beginner friendly, so it won’t take too much of precious parent time to make it. Not only the shape but also the colors replicates nature’s wonder that the rainbow is.
Feel free to swap the colors to match the interior design. Use bulky weight yarn to make it softer and bulkier.
- DESIGNED by Hobbii Design
- PROJECT TYPE rug
- CRAFT crochet
- SKILL LEVEL beginner
Photos Hobbii Design / ravelry.com
Find original free pattern on hobbii.com, or read more about it on Ravelry.
4. Thumbless Baby Mittens
Rainbow gloves are great to add some color to the infant’s look. These baby mittens are designed without thumbs to protect the little cutie’s skin in the softest way. Christine BArtkowski has designed those to be very easy to craft and to modify into bigger sizes. The crochet prism effect is attained by simply using the multicolored yarn of worsted weight.
- DESIGNED by Christine Bartkowski
- PROJECT TYPE mittens
- CRAFT crochet
- SKILL LEVEL beginner
Photos Christine Bartkowski / ravelry.com
Find original free pattern on Ravelry.
5. Rainbow of Unity
This beginner friendly pattern was created during the pandemic lockdown. It’s to support each other and stay united. However, it is so beautiful and meaningful that it’s a crochet-worthy anytime. Kerry Jayne Designs have made it super quick and actually very fun. Colorful and fluffy, this crochet rainbow pattern would make a Great Wall hanging or entrance door decoration instead of a wreath.
- DESIGNED by Kerry Jayne Designs
- PROJECT TYPE wall hanging
- CRAFT crochet
- SKILL LEVEL beginner
Photos Kerry Jayne Designs / ravelry.com
Find original free pattern on kerryjaynedesigns.com, or read more about it on Ravelry.
6. Pride Bees
Bees do not always come in alarming yellow and black stripes. This time they are fun, they are colorful, they are all about the rainbow. Kim Gronquist has created a crochet amigurumi pattern that is perfect to create some fun pieces for an upcoming Pride Month. This design is simple and fast to make, hence you can easily create a bunch of those and make an adorable give-away in the name of LGBTQ+ community.
- DESIGNED by Kim Gronquist
- PROJECT TYPE prism amigurumi
- CRAFT crochet
- SKILL LEVEL beginner
Photos Kim Gronquist / ravelry.com
Find original free pattern on myshinycastle.com, or read more about it on Ravelry.
7. Rainbow Stripes Tablet Cover
Protect the tablet with a handmade colorful cover that’s both fun and very practical. Lily / Sugar’n Cream’s design is a beginner friendly one.
That’s very helpful if you want to quickly craft yourself a proper tablet sleeve. Also perfect if your’re looking for a last minute gift idea for some tech enthusiast. The simple button closure not to let that table slip out of the cover. It’s a free rainbow crochet design that’s very practical as well.
- DESIGNED by Lily of Sugar’n’Cream
- PROJECT TYPE prism tablet cover
- CRAFT crochet
- SKILL LEVEL beginner
Photos Sugar’n Cream / ravelry.com
Find original free pattern on yarnspirations.com, or read more about it on Ravelry.
8. Rainbow Heart Plush
This small crochet prism plushie is a beginner level project. It’s an amazing little gift you can offer to your friend or partner. Make it with velvet yarn to achieve that nice and soft texture. It works up quickly thanks to the bulky yarn size and big crochet hooks.
A fantastic crochet rainbow design for the pride month and beyond.
- DESIGNED by Chloe Rousseau
- PROJECT TYPE plush
- CRAFT crochet
- SKILL LEVEL beginner
Photos Chloe Rousseau / ravelry.com
Find original free pattern on Ravelry.
9. Pride Mesh Crop Top
Wear your new crochet top with pride that comes with LGBTQ+ flag colors. The diagram free crochet pattern is all you need to create your own top. No special stitches knowledge required, it works up very quickly.
Add some fun fringes on the slides or on the lower end. It’s a great way to add even more flare to this great project.
- DESIGNED by Seyhall Crochet Design
- PROJECT TYPE top
- CRAFT crochet
- SKILL LEVEL beginner
Photos Seyhall Crochet Design / ravelry.com
Find original free pattern on Ravelry.