Colonel Mustard Costume
Bring the classic Clue suspect to life in dapper military style.
Colonel Mustard is one of the iconic suspects from the classic board game Clue. People choose this costume for its nostalgic appeal, vintage aesthetic, and recognition factor in group themes. The look consists of a yellow or mustard-colored suit jacket, military medals, a handlebar mustache, and classic British colonial accents.
- Difficulty
- Easy
- Time
- ~30 min
- Budget
- $35–90
Try it on
See yourself as Colonel Mustard
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What you need for a Colonel Mustard costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Colonel Mustard costume — one box instead of 7 pieces.
Mustard Yellow Suit Jacket
A structured blazer or suit jacket in a distinct mustard yellow or tan-yellow hue.
DIY: Use a tan or khaki suit jacket and dye it yellow, or add yellow felt epaulets to a beige blazer.
White Dress Shirt and Tie
A crisp white collared button-down shirt paired with a red, brown, or black necktie.
DIY: Pull these standard wardrobe staples directly from your closet.
Khaki Trousers
Classic fit khaki or tan dress pants to complement the yellow jacket.
DIY: Any tan, beige, or light brown chinos will work perfectly.
Handlebar Mustache
A thick, bushy faux handlebar mustache in white, grey, or blonde.
DIY: Cut a mustache shape out of grey felt or faux fur and apply with spirit gum.
Military Medals and Epaulets
Gold shoulder epaulets and pin-on military ribbon medals for the jacket breast.
DIY: Make epaulets from yellow felt and gold fringe, and use colorful ribbons pinned to safety pins as medals.
Monocle
A gold-rimmed costume monocle on a black cord.
DIY: Pop the lens out of an old pair of round glasses, attach a black string, and wear it in one eye.
Pistol or Wrench Prop
A lightweight plastic toy revolver or a faux silver wrench representing the Clue weapons.
DIY: Cut a wrench shape out of thick cardboard and paint it metallic silver.
Rather not assemble it? See ready-made Colonel Mustard costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the white collared dress shirt and button it to the top, then tie your necktie securely.
- 2
Put on the khaki trousers and secure them with a brown leather belt.
- 3
Attach the gold epaulets to the shoulders of the mustard yellow blazer, and pin the military medals to the left breast.
- 4
Slip on the mustard yellow blazer over the dress shirt.
- 5
Apply the faux handlebar mustache to your upper lip using the self-adhesive backing or spirit gum.
- 6
Drape the monocle cord around your neck and position the monocle over one eye.
- 7
Carry your chosen Clue weapon prop, such as the toy revolver or wrench, to complete the look.
Makeup & hair
Style your hair neatly parted to one side with styling gel. Keep makeup minimal, focusing entirely on securing the prominent faux handlebar mustache.
Colonel Mustard for couples, groups, kids & more
- couples
- Pair up with Miss Scarlett in a red evening gown or Professor Plum in a purple suit.
- group
- Gather a full group of six to represent all the classic Clue suspects: Mustard, Scarlett, Plum, Peacock, Green, and White.
- kids
- A miniature yellow blazer, khaki pants, and a drawn-on eyeliner mustache make a cute kids' version.
- Plus size
- Look for a relaxed-fit mustard yellow sport coat or unstructured blazer for a comfortable, breathable fit.
- pet
- A yellow dog sweater adorned with felt gold epaulets on the shoulders.
Tips
- Keep a spare adhesive or spirit gum on hand in case the fake mustache starts to peel off while talking or eating.
- If you cannot find a mustard yellow blazer, a khaki safari jacket or tan suit jacket works as an excellent military-style alternative.
- Carry a Clue game card of Colonel Mustard in your pocket as a fun icebreaker and quick identifier.
Colonel Mustard costume FAQ
- What color is Colonel Mustard's suit?
- Colonel Mustard traditionally wears a mustard yellow, tan, or warm gold suit jacket paired with khaki trousers to match his name and military background.
- What props should Colonel Mustard carry?
- He is best paired with classic Clue weapons like the revolver, the wrench, or the dagger, along with a vintage monocle.
- How do I make a DIY Colonel Mustard costume?
- You can easily assemble this using a thrifted yellow or tan blazer, khaki pants, a white shirt, a tie, and DIY medals made from colored ribbons and safety pins.
Did you know? In the classic Clue board game lore, Colonel Mustard's full name is often given as Colonel Michael Mustard, a retired military man who is a frequent guest at Tudor Mansion.