Ripple Rainbow Blanket Crochet: The Complete Guide to Making a Stunning Chevron Throw

Few projects in the crochet world capture the imagination quite like a ripple rainbow blanket. The combination of bold, undulating waves and a full spectrum of color creates something that feels simultaneously nostalgic and fresh — the kind of handmade piece that draws every eye in a room and prompts the inevitable question: “Did you make that yourself?” Whether you are a seasoned crocheter looking for your next satisfying project or an adventurous beginner ready to level up, this guide will walk you through everything you need to know to create a ripple rainbow blanket you will be proud to display, gift, or snuggle under for years to come.

What Is a Ripple Rainbow Blanket?

A ripple rainbow blanket is a crochet throw worked in a classic chevron or ripple stitch pattern using a progression of colors that moves through the rainbow — typically red, orange, yellow, green, blue, indigo, and violet, often with neutral borders or background rows in between. The ripple stitch itself creates a wave-like texture by alternating increases and decreases across each row, giving the blanket its signature zigzag silhouette.

The pattern is beloved for good reason. It is rhythmic enough to be meditative once you get going, visually rewarding from the very first row, and endlessly customizable. You can make it baby-sized, lap-sized, full throw, or even a king-sized bedspread if you are feeling ambitious. The color possibilities are essentially infinite — from soft pastels to saturated brights to earthy bohemian tones.

Materials You Will Need

Before you cast on your first stitch, gathering the right materials makes the entire process smoother and more enjoyable.

Yarn. The yarn choice is probably the most important decision you will make for this project. For a classic ripple rainbow blanket, medium weight yarn (also called worsted weight or size 4) is the most popular choice. It works up quickly, creates satisfying stitch definition in the ripple pattern, and is easy to find in a wide range of colors. Acrylic yarn is a practical choice for a blanket that will be used and washed regularly — brands like Lion Brand Pound of Love, Red Heart Super Saver, and Caron Simply Soft all work beautifully. If you want a more luxurious feel, consider a wool-acrylic blend like Paintbox Simply DK or even a cotton-blend for a lighter summer throw. Plan on roughly 200 to 300 yards per color if you are doing single-color stripes, and account for seven or more colors plus any neutral shades.

Hook. For worsted weight yarn, a 5.0mm or 5.5mm crochet hook is a standard starting point. That said, everyone’s tension is different, so it is worth making a small gauge swatch before diving in. If your swatch is coming out tighter than the pattern suggests, go up half a size. If it is looser, go down half a size.

Additional supplies. You will want a yarn needle for weaving in ends (and there will be plenty of ends with a rainbow blanket, so a good needle matters), scissors, stitch markers to mark the peak and valley stitches, and a measuring tape. A row counter, either a physical one or an app on your phone, is also genuinely helpful when you are tracking color changes across dozens of rows.

Understanding the Ripple Stitch

If you have never worked a ripple or chevron stitch before, the concept is simple once you see it in action. Each row alternates between increase points (where you work extra stitches to create the peaks of the wave) and decrease points (where you work stitches together to create the valleys). The result is a row that moves up and down rather than sitting flat, and when you stack row after row, those peaks and valleys line up to form the distinctive zigzag pattern.

There are two main variations you will encounter: the classic ripple, which has rounded waves, and the chevron, which has sharp angular peaks and valleys. For a rainbow blanket, the chevron version tends to show off color stripes most dramatically because the angles are crisp and the color transitions look intentional and bold. The rounded ripple has a softer, more vintage feel that many crocheters prefer for baby blankets or heirloom pieces.

A standard chevron ripple repeat typically uses a multiple of stitches — often a multiple of 14 or 16, depending on the pattern — plus a few extra for the foundation. This means you can make your blanket wider or narrower simply by adding or subtracting full repeats.

Choosing Your Rainbow Color Palette

One of the most exciting parts of planning a ripple rainbow blanket is choosing your colors. While a traditional ROYGBIV rainbow is always stunning, there are many creative directions you can take this.

Classic rainbow. Red, orange, yellow, green, blue, indigo, and violet in bold, saturated shades. Use a cream or white neutral between each color stripe for a crisp, graphic look, or run the colors directly into each other for a more vibrant, continuous effect.

Pastel rainbow. Soft blush pink, peach, pale yellow, mint green, baby blue, and lavender. This palette is particularly beautiful for nursery blankets and gifts for new babies. It has a dreamy, watercolor quality that feels gentle and sweet.

Earthy or boho rainbow. Rust, burnt orange, mustard yellow, sage green, dusty teal, and mauve. If you prefer a more muted, nature-inspired aesthetic, this palette brings in the warmth of a desert sunset while still moving through the full color spectrum.

Gradient or ombre rainbow. Instead of distinct color blocks, you can transition from one color to the next gradually by blending yarns or working short rows in multiple shades of each color. For example, moving from deep red through coral and into orange before transitioning to gold and then yellow creates a stunning sunset effect.

Two-toned or limited palette. You do not have to use the full rainbow if that does not suit your space or style. Some of the most striking ripple blankets use just two or three colors in alternating stripes, particularly high-contrast combinations like navy and white or black and mustard.

Whatever palette you choose, it helps to lay your yarn skeins out together before you begin and look at them in natural light. Colors that look perfect on a screen or even on a store shelf sometimes read differently once they are placed next to each other. Trust your instincts — you are the one who will be living with this blanket.

Step-by-Step Pattern Instructions

The following pattern is written for a worsted weight yarn with a 5.5mm hook and uses the double crochet chevron method, which creates a loftier, faster-to-work blanket than a single crochet version.

Finished size: Approximately 50 inches wide by 60 inches long. For a narrower or wider blanket, add or subtract multiples of 14 stitches.

Gauge: 14 stitches and 8 rows in double crochet = 4 inches

Abbreviations:
Ch = chain, DC = double crochet, DC2tog = double crochet two together (decrease), St = stitch, Sl st = slip stitch

Foundation chain: Chain a multiple of 14 plus 3. For the standard width, chain 171.

Row 1: DC in the 4th chain from hook, DC in next 4 stitches. DC3tog (triple decrease). DC in next 5 stitches. Work 3 DC in the next stitch (peak). DC in next 5 stitches. DC3tog. Repeat from the beginning of the pattern across until the last 6 stitches. DC in next 5, 2 DC in last. Turn.

Row 2: Chain 3 (counts as first DC). DC in same stitch. DC in next 5 stitches. DC3tog. DC in next 5 stitches. 3 DC in next stitch. Repeat across, ending with 2 DC in top of turning chain. Turn.

Repeat Row 2 for the body of the blanket, changing colors as desired. For a classic rainbow stripe blanket, work approximately 6 to 8 rows in each color before switching to the next. Fasten off each color and join the new one at the beginning of a row for the neatest color-change seams.

Tips for Keeping Your Ripple Blanket Even

One of the most common frustrations with ripple and chevron patterns is that the edges can curve inward or flare outward, leaving you with a blanket that refuses to lie flat. Here are the most effective ways to prevent this.

Count your stitches religiously, at least for the first several rows. Every row should have the same stitch count. If you find yourself gaining or losing stitches, the most likely culprit is miscounting at the peak (you should have exactly 3 stitches there) or at the valley (you should have exactly 1 stitch after the decrease, not 2 or 0).

Work your turning chains consistently. Many patterns count the turning chain as the first double crochet of a row, but some do not. Decide at the beginning which approach you are using and stick with it throughout.

Block your finished blanket. Blocking — wetting the blanket thoroughly and then pinning it out to the correct dimensions to dry — is a game-changer for ripple blankets. It relaxes the stitches, opens up the texture, and coaxes even a slightly unruly edge into lying flat. For acrylic yarn, steam blocking with a garment steamer also works extremely well.

Managing Yarn Ends in a Rainbow Blanket

Here is the honest truth: a ripple rainbow blanket will generate a lot of yarn ends. With seven or more color changes across dozens of rows, you could easily end up with 50 or more ends to weave in by the time you reach the last row. This is not a reason to avoid the project, but it is a reason to have a strategy.

Many experienced crocheters weave in ends as they go rather than leaving them all for the end. After joining a new color and working a few rows, take a few minutes to weave in the tail from the join before it gets buried under more rows. This spreads the work out and makes the finishing process far less daunting.

You can also crochet over your ends as you work, holding the tail alongside the working yarn and crocheting around it for the first inch or so of a new row. This reduces the number of ends you need to weave in later, though it does require a little practice to keep things neat.

Border Options for a Polished Finish

A well-chosen border can elevate a ripple rainbow blanket from lovely to truly spectacular. Because the chevron edge is naturally uneven — with peaks and valleys along the top and bottom — most borders need to account for this shaping.

A simple single crochet border worked evenly around all four sides smooths out the edges and adds a clean, finished look. Work extra stitches at the outer peaks and decrease at the inner valleys to keep the border lying flat.

For a more decorative finish, a shell stitch border or a picot edging adds lovely detail without overwhelming the ripple pattern itself. If you have used bold, saturated colors throughout the blanket, a border in a neutral shade — white, cream, or charcoal — frames the whole piece like a mat frames a painting.

Some crocheters choose to skip the border entirely and let the natural scalloped edge of the ripple pattern speak for itself. This works particularly well with the rounded ripple variation, where the wavy edge becomes a design feature in its own right.

Caring for Your Ripple Rainbow Blanket

A handmade blanket is meant to be used, which means it needs to be washable. If you have used acrylic or acrylic-blend yarn, you are in luck — most acrylic yarns are fully machine washable and dryable on a low or gentle cycle. Always check the yarn label to confirm care instructions for the specific brand you used, as there is some variation even within acrylic fibers.

For wool or natural fiber blankets, hand washing in cool water with a gentle wool wash is the safest approach. Press out excess water gently — never wring — and lay flat to dry to preserve the shape.

Regardless of fiber content, washing the blanket in a mesh laundry bag protects it from snagging and pilling, particularly if the blanket is a gift that will be used in a home with pets or small children.

Why the Ripple Rainbow Blanket Makes the Perfect Gift

There is something about a ripple rainbow blanket that makes it one of the most universally beloved handmade gifts you can give. The rainbow color scheme transcends age and gender in a way that few designs manage — it works equally well draped over a nursery crib, folded on a teenage bedroom bed, tossed over a living room sofa, or given as a congratulatory gift to a new homeowner.

The sheer amount of time and skill that goes into a finished blanket also communicates something that few store-bought gifts can match: the fact that someone cared enough to spend hours creating something beautiful specifically for the recipient. For milestone moments — a baby shower, a wedding, a graduation, a housewarming — a handmade ripple rainbow blanket is a gift that lasts a lifetime.

Final Thoughts

A ripple rainbow blanket is the kind of project that reminds you why you fell in love with crochet in the first place. It is colorful, creative, and deeply satisfying to make. Each color change marks a small milestone, and watching the rainbow grow row by row is one of those particular pleasures that never really gets old, no matter how many blankets you have made.

Take your time with the pattern, enjoy the rhythm of the ripple stitch, and do not be afraid to make the project your own. Use the colors that speak to you, adjust the size to suit your needs, and add whatever border or finishing details feel right. When you wrap the last end and hold up the finished blanket, you will have something genuinely beautiful — made entirely by your own hands.