Rainbows are nature’s colorful smile after the rain — a beautiful arc painted across the sky by sunlight and water droplets. They’ve inspired myths, science, and stories for centuries. But beyond their beauty, rainbows make the perfect subject for fun and clever riddles. These puzzles mix science, colors, and imagination to challenge your brain and bring a smile to your face.
In this article, you’ll find 100 rainbow riddles — grouped into fun categories, each with answers right after so you can check your guesses. Whether you’re a teacher, parent, or trivia enthusiast, you’ll find plenty here to brighten your day.
Fun Rainbow Riddles
- I appear after a storm with colors all in a row. What am I?
Answer: A rainbow. - I’m seven colors standing together in the sky. What am I?
Answer: A rainbow. - I’m the first shade in the rainbow’s lineup. What am I?
Answer: Red. - I can’t be touched, but I can be seen after rain. What am I?
Answer: A rainbow. - I appear opposite the sun after showers. What am I?
Answer: A rainbow. - I’m an arc of light made by raindrops. What am I?
Answer: A rainbow. - I’m said to hide treasure at my end. What am I?
Answer: A rainbow. - I fade away when the clouds take over. What am I?
Answer: A rainbow. - I need sunlight and water to exist. What am I?
Answer: A rainbow. - I’m a colorful bow in the sky, but no arrows are needed. What am I?
Answer: A rainbow.
Easy Rainbow Riddles for Kids
- I’m orange in the rainbow but also a fruit. What am I?
Answer: Orange. - I’m yellow and bright like the sun. What am I?
Answer: Yellow. - I’m green in the rainbow, but also in grass. What am I?
Answer: Green. - I’m blue in the rainbow, but also in the ocean. What am I?
Answer: Blue. - I’m purple in the rainbow and often in flowers. What am I?
Answer: Violet. - I’m the tiny drops that help make a rainbow. What am I?
Answer: Raindrops. - I’m a rainbow’s rare twin that appears faintly beside it. What am I?
Answer: A double rainbow. - I’m what bends light to create colors. What am I?
Answer: Refraction. - I’m the deep blue-purple color in the rainbow. What am I?
Answer: Indigo. - I’m the rainbow you can eat in a candy pack. What am I?
Answer: Skittles.
Science-Inspired Rainbow Riddles
- I split sunlight into colors. What am I?
Answer: A prism. - I’m the study of light and color. What am I?
Answer: Optics. - I’m what happens when light slows down in water. What am I?
Answer: Refraction. - I’m the effect that spreads colors apart. What am I?
Answer: Dispersion. - I’m the main source of rainbow colors. What am I?
Answer: Sunlight. - I’m the round shapes in the air that cause rainbows. What am I?
Answer: Water droplets. - I’m shaped like a bow in the sky. What am I?
Answer: An arc. - I make a rainbow without rain in your backyard. What am I?
Answer: A garden sprinkler. - I’m the order of rainbow colors remembered as ROYGBIV. What am I?
Answer: The visible spectrum. - I’m a rainbow seen in mist near waterfalls. What am I?
Answer: Spray bow.
Color-Themed Rainbow Riddles
- I’m the color of fire trucks and strawberries. What am I?
Answer: Red. - I’m the color of pumpkins and sunsets. What am I?
Answer: Orange. - I’m the color of lemons and corn. What am I?
Answer: Yellow. - I’m the color of emeralds and leaves. What am I?
Answer: Green. - I’m the color of sapphires and the sea. What am I?
Answer: Blue. - I’m the color between blue and violet. What am I?
Answer: Indigo. - I’m the soft purple at the rainbow’s end. What am I?
Answer: Violet. - Mix me (red) with yellow to make me. What am I?
Answer: Orange. - Mix blue and yellow to make me. What am I?
Answer: Green. - Mix red and blue to make me. What am I?
Answer: Purple.
Creative Rainbow Riddles
- I’m a rainbow on a plate made of frosting. What am I?
Answer: Rainbow cake. - I’m a rainbow in a glass you can drink. What am I?
Answer: Layered smoothie. - I’m a rainbow in your hair. What am I?
Answer: Hair dye. - I’m a rainbow that glitters on nails. What am I?
Answer: Nail polish. - I’m a rainbow in the sky you can’t catch. What am I?
Answer: A rainbow. - I’m painted by light, not by brushes. What am I?
Answer: A rainbow. - I vanish when the clouds block the sun. What am I?
Answer: A rainbow. - Leprechauns love to find my end. What am I?
Answer: A rainbow. - I’m a rainbow you can see on soap bubbles. What am I?
Answer: Iridescence. - I’m a rainbow caused by ice crystals in the air. What am I?
Answer: A halo.
Tricky Rainbow Riddles
- I’m always in the opposite direction of the sun. What am I?
Answer: A rainbow. - I’m a rainbow that appears at night. What am I?
Answer: A moonbow. - I’m caused by oil on water, showing rainbow colors. What am I?
Answer: An oil slick. - I’m a rainbow visible from above the ground in a circle. What am I?
Answer: A full-circle rainbow. - I’m a rainbow that forms from fog. What am I?
Answer: A fogbow. - I’m the person who discovered the spectrum’s colors. Who am I?
Answer: Isaac Newton. - I’m the weather event you need before a rainbow. What am I?
Answer: Rain. - I’m a rainbow inside a waterfall’s mist. What am I?
Answer: A waterfall rainbow. - I’m a rainbow in the spray of ocean waves. What am I?
Answer: A sea spray bow. - I’m a rainbow caused by sunlight passing through crystals. What am I?
Answer: A sundog.
Short Rainbow Riddles
- I have seven colors, but no paint. What am I?
Answer: A rainbow. - I’m colorful but silent. What am I?
Answer: A rainbow. - I appear after rain and before smiles. What am I?
Answer: A rainbow. - I’m in the sky but not a star. What am I?
Answer: A rainbow. - I’m colorful but disappear fast. What am I?
Answer: A rainbow. - I’m light’s secret party in the sky. What am I?
Answer: A rainbow. - I’m an arch with no start or end. What am I?
Answer: A rainbow. - I need raindrops to exist. What am I?
Answer: A rainbow. - I’m not drawn, but I’m vivid. What am I?
Answer: A rainbow. - I’m seven friends walking side by side. What am I?
Answer: A rainbow.
Myth & Story Rainbow Riddles
- I’m where treasure is said to hide. What am I?
Answer: The end of a rainbow. - I’m chased by leprechauns. What am I?
Answer: A rainbow. - I’m a bridge in Norse mythology. What am I?
Answer: Bifröst. - I’m a rainbow goddess in Greek myth. Who am I?
Answer: Iris. - I’m a rainbow serpent in Aboriginal myth. What am I?
Answer: The Rainbow Serpent. - I’m the rainbow in Hawaiian legends. What am I?
Answer: Anuenue. - I’m the rainbow in Mayan stories. What am I?
Answer: Ix Chel’s bow. - I’m a sign of peace in the Bible. What am I?
Answer: God’s promise. - I’m a rainbow flag in modern history. What am I?
Answer: Pride flag. - I’m a rainbow in children’s cartoons. What am I?
Answer: Rainbow Brite.
Nature’s Rainbow Riddles
- I’m a rainbow over a waterfall. What am I?
Answer: Waterfall rainbow. - I’m a rainbow over the ocean. What am I?
Answer: Sea bow. - I’m a rainbow caused by icy air. What am I?
Answer: Ice halo. - I’m a rainbow that touches the ground in mist. What am I?
Answer: Ground rainbow. - I’m a rainbow seen in a garden’s sprinkler. What am I?
Answer: Sprinkler rainbow. - I’m a rainbow in the morning sky. What am I?
Answer: Morning rainbow. - I’m a rainbow at sunset. What am I?
Answer: Evening rainbow. - I’m a rainbow during a storm. What am I?
Answer: Storm bow. - I’m a rainbow in mountain mist. What am I?
Answer: Mist bow. - I’m a rainbow in geyser spray. What am I?
Answer: Geyser bow.
Final Thought
Rainbows are a perfect mix of science and magic. They remind us that beauty can appear even after a storm. These riddles capture that same feeling — bright, clever, and a little mysterious. Share them at parties, in classrooms, or just for fun with friends, and let their colors bring joy to your day.
FAQs
What makes rainbows form?
They form when light is refracted, reflected, and dispersed through water droplets.
Can rainbows appear at night?
Yes — these are called moonbows.
Why are there seven colors in a rainbow?
Because sunlight splits into seven visible wavelengths: red, orange, yellow, green, blue, indigo, and violet.
Are rainbow riddles educational?
Yes — they teach about science, colors, and culture in a fun way.
Can I make my own rainbow at home?
Yes — use a hose or prism in sunlight to create one