A rainbow costume is bright, happy and easy to build. A rainbow tutu, wig or pair of socks does most of the work, and it suits kids, groups and parties.
These are 9 rainbow costume ideas from movies, TV, games and everyday life. Each pick lists the key pieces, and the button under it opens the full guide with a shopping list.
9 rainbow costume ideas
1. Rainbow Brite

A plain blue dress with rainbow gloves, socks and sneakers, and a long blonde wig tied with a rainbow. Carry the Twink sprite.
What you will need:
- Blue dress, rainbow gloves and socks, rainbow sneakers, blonde wig, Twink plush
2. Rainbow Dash (My Little Pony)

A white tank top under a denim short-sleeved shirt, with a pink mini skirt, black biker shorts, rainbow socks and blue high tops. Add a rainbow wig and pale blue body paint.
What you will need:
- White tank top, denim shirt, pink skirt, biker shorts, rainbow socks, rainbow wig
3. Rainbow Unicorn

A white blouse with a rainbow tutu and rainbow leggings, white shoes and a rainbow unicorn horn headband. Kids onesies and an inflatable set exist.
What you will need:
- White blouse, rainbow tutu, rainbow leggings, white shoes, unicorn headband
4. Rainbow Fairy

A colourful corset and tulle skirt with rainbow thigh-high socks, purple peep-toe heels, a pink wig and purple wings.
What you will need:
- Colourful corset, tulle skirt, rainbow socks, purple heels, pink wig, purple wings
5. Rainbow Cloud

A plush cloud hat, or a bucket hat with cloud pieces stuck on, worn with a rainbow top and rainbow skirt.
What you will need:
- Cloud hat, rainbow top, rainbow skirt
6. Rainbow Fish

A light blue shirt and tutu with scale leggings, felt scales, a headband and rainbow scale temporary tattoos.
What you will need:
- Light blue shirt and tutu, scale leggings, felt scales, headband, scale tattoos
7. Lisa Frank

A colourful butterfly top and tutu skirt with sneakers, a multi-coloured wig and a flower crown.
What you will need:
- Butterfly top, colourful tutu, sneakers, multi-coloured wig, flower crown
8. Care Bear (Cheer Bear)

A hot pink tee, leggings and tutu with pink pompom ears, and a belly badge with a rainbow painted on white cardstock.
What you will need:
- Hot pink tee, leggings and tutu, pompom ears, rainbow belly badge
9. Robin Sparkles (How I Met Your Mother)

A rainbow-striped long-sleeve shirt, light blue jean jacket, yellow tulle skirt and turquoise leggings, with a dark blue bow headband and triangle earrings.
What you will need:
- Rainbow striped shirt, jean jacket, yellow tulle skirt, turquoise leggings, bow headband, earrings
Wearing rainbow? Make it stand out
A rainbow works best when the colours appear in order, so check the colour sequence on tutus, socks and wigs. Keep the base plain (white, blue or black) and let one or two rainbow pieces do the work.
Want a different colour? Try Black, Red, Pink, Orange, Blue, Green, Purple, Yellow, White, Gold, Silver, Black & White, Neon, Brown.