How to plan a Rainbow Party
A complete rainbow party planning guide — decorations, tableware, outfits, food, drinks, games and party bags, with UK budgets from £35 and a two-week countdown you can actually follow.
Shop the rainbow party page →Start with the colour rules
Decide first how far the rainbow theme goes. Decor-only is the easy version: the room is all rainbow, guests wear whatever they like. A full rainbow dress code makes the photos, but it needs three or four weeks' notice. Whichever you choose, pick two or three shades of rainbow rather than one — a light, a mid and a deep tone stop the room looking flat.
What to buy for a rainbow party
Work through these aisles in order. Every link below opens rainbow results at a UK retailer, so you never have to search twice.
👗 Rainbow fashion
Dress the host, the crew and the whole guest list in one shade.
🧺 Rainbow baskets & hampers
The centrepiece carry-everything moment for photos and picnics.
🍬 Rainbow food
Sweets, snacks and bakes that match the table before anyone arrives.
🥤 Rainbow drinks
Lemonades, mocktails and shakes poured in the right shade.
🎈 Rainbow decorations
Balloons, backdrops and tableware — the bit guests photograph.
🌺 Rainbow flowers
Fresh-look faux stems and centrepieces that survive the after-party.
🎁 Rainbow gifts & favours
Send everyone home with something in the theme.
📸 Rainbow photo booth
Props, frames and backdrops built for the group shot.
🎲 Rainbow games
Colour bingo, scavenger hunts and icebreakers on theme.
🕯 Rainbow candles & lighting
Warm the room in your shade once the sun goes down.
🎵 Rainbow music & atmosphere
Speakers, disco lights and a ready-made themed playlist.
How much does a rainbow party cost?
Three realistic UK budgets, depending on guest numbers and how photo-heavy you want the room to be.
Budget Rainbow Party — £35
Up to 10 guests · Everything essential, nothing wasted.
Balloon set & bunting · Tablecloth, plates and napkins · Sweets and popcorn · One themed drink · Printable invitations & checklist
Luxury Rainbow Party — £75
Up to 20 guests · The full tablescape plus photo-worthy extras.
Balloon arch kit · Fairy lights · Full tableware set + confetti · Sweets, popcorn and biscuits · Two themed drinks · Cups and straws · Faux flower centrepiece · Photo booth prop kit · Full digital planner pack
Ultimate Rainbow Party — £150
Up to 40 guests · Host mode: outfit, basket, backdrop and favours included.
Balloon arch kit & fairy lights · Full tableware set + confetti · Sweets, popcorn and biscuits · Themed drinks, cups and straws · Host outfit edit · Outfit accessories · Wicker or picnic basket centrepiece · Backdrop and LED sign · Candles and lanterns · Party favours and gift boxes · Games pack + speaker · Full digital planner pack
Your rainbow party countdown
4 weeks before
Set the date, guest list and how strict the colour rule is. Send invitations early if you want a dress code — people need time to find something.
3 weeks before
Order the big decorations: balloon arch or backdrop, bunting, banners and any LED sign. These have the longest delivery times.
2 weeks before
Buy tableware, party bags and fillers, plus your outfit and accessories. Print the planner, checklist and games pack.
1 week before
Order flowers or faux stems, candles and photo booth props. Confirm the cake and finalise the food list.
The day before
Inflate balloons, dress the table, chill the drinks and set up the playlist and speaker.
Rainbow party food and drink ideas
Keep it simple: a rainbow cake or cupcakes as the centrepiece, a bowl of rainbow sweets, rainbow popcorn or iced biscuits, and one signature rainbow drink plus a matching alcohol-free version. Serve everything on rainbow tableware and the whole table reads as themed even if the food is shop-bought.
Rainbow party games and entertainment
A photo booth corner with rainbow props does most of the work. Add two or three games — a rainbow scavenger hunt, pass the parcel in rainbow paper, or a "guess the shade" round — and a playlist queued before guests arrive.
Occasions that suit a rainbow theme
A rainbow theme works for 1st birthdays through to 18th, 21st, 30th, 40th and 50th milestone birthdays, plus hen dos, baby showers, weddings, engagement parties and rainbow fancy dress nights. Scale the bundle up or down rather than changing the shopping list.
Ready to shop the rainbow theme?
Every product in this guide, filtered to rainbow, in one page.
Rainbow party decorations & supplies →