CoBrAPaint like nobody taught you.
Bold, childlike creatures and masks drawn with a thick, restless line and filled with raw unmixed color, crowding the page edge to edge.
Make it yoursKids' birthdays, Halloween, and block parties.
Name a creature or two, like a cake monster or a friendly ghost, and let them crowd the page.
See the style in action.
Open larger viewA birthday partyAva & Ben Turn 10
Open larger viewA Halloween partyMonster Mash on Moultrie
Open larger viewA birthday partyLeo Is One!
Open larger viewA bake saleCupcake Stand for the Rescue
Open larger viewA block partyTreat Avenue Block Party
Real generated examples; your own result will vary. The exact prompt behind each one is further down the page.
Make it yours.
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The prompts behind these party flyers.
Each flyer above was generated from the prompt below it, unedited. Copy one as-is or change the details. Your image-making app may interpret the style differently each time.
A birthday party · GPT Image 2.5 SunburstAva & Ben Turn 10Read the exact prompt
Create a finished printable flyer for a birthday party, in a 3:4 portrait aspect ratio like a letter-size or A4 sheet. Produce the flyer artwork itself, without a frame, wall, hands, or mockup. FLYER TEXT Use the following party information exactly as written. The labels before each colon are for you, not for the flyer; print only the text after them. Do not invent extra details. Title: Ava & Ben Turn 10 When: Saturday, May 9, 2026 · 1pm–4pm Where: Golden Gate Park Carousel Details: Carousel rides, a scavenger hunt, and two cakes Cost / RSVP: Free · Parents welcome to stay Hosted by The Reyes Family ART DIRECTION Interpret the supplied brief in CoBrA style. Visual vocabulary: childlike or mythic figures with bold outlines; vivid flat or semi-flat colour applied with visible energy; heavy gestural line that defines form expressively; animal, mask, and totemic imagery; composition without Western academic perspective. Lettering direction: hand-painted or roughly stencilled title; text integrated into the image rather than set formally. Suggested colors: vivid unmodulated colours — cobalt, vermillion, ochre, viridian, black, white. Composition: figure or figures filling the field; text in a bold painted band. Atmosphere: raw, mythic, child-like vigour, post-war energy, Nordic. Keep out of the design: Swiss or Bauhaus rational geometry, photographic realism, decorative polish, artificial yellowing or ageing. Apply the visual language to the supplied brief; do not invent historical affiliations, endorsements, or extra copy. ILLUSTRATION NOTES Two bold childlike creatures sharing a cake, thick restless line, raw unmixed colour. These notes guide the imagery; do not print them as text. Make the party name the largest text element. The date, time, and address must be easy to read at arm's length, with clear contrast and comfortable margins. Check spelling and retain the supplied wording. Do not include these instructions, labels, watermarks, or extra slogans in the artwork.
A Halloween party · GPT Image 2.5 SunburstMonster Mash on MoultrieRead the exact prompt
Create a finished printable flyer for a Halloween party, in a 3:4 portrait aspect ratio like a letter-size or A4 sheet. Produce the flyer artwork itself, without a frame, wall, hands, or mockup. FLYER TEXT Use the following party information exactly as written. The labels before each colon are for you, not for the flyer; print only the text after them. Do not invent extra details. Title: Monster Mash on Moultrie When: Saturday, October 31, 2026 · 6pm–10pm Where: Moultrie Street, Bernal Heights Details: Costume parade at 7, haunted garage at 8 Cider and cornbread on the porch Cost / RSVP: Free · Costumes required Hosted by The Moultrie Street Neighbors ART DIRECTION Interpret the supplied brief in CoBrA style. Visual vocabulary: childlike or mythic figures with bold outlines; vivid flat or semi-flat colour applied with visible energy; heavy gestural line that defines form expressively; animal, mask, and totemic imagery; composition without Western academic perspective. Lettering direction: hand-painted or roughly stencilled title; text integrated into the image rather than set formally. Suggested colors: vivid unmodulated colours — cobalt, vermillion, ochre, viridian, black, white. Composition: figure or figures filling the field; text in a bold painted band. Atmosphere: raw, mythic, child-like vigour, post-war energy, Nordic. Keep out of the design: Swiss or Bauhaus rational geometry, photographic realism, decorative polish, artificial yellowing or ageing. Apply the visual language to the supplied brief; do not invent historical affiliations, endorsements, or extra copy. ILLUSTRATION NOTES Childlike masks and monsters dancing on a porch, thick restless line, raw colour edge to edge. These notes guide the imagery; do not print them as text. Make the party name the largest text element. The date, time, and address must be easy to read at arm's length, with clear contrast and comfortable margins. Check spelling and retain the supplied wording. Do not include these instructions, labels, watermarks, or extra slogans in the artwork.
A birthday party · GPT Image 2.5 SunburstLeo Is One!Read the exact prompt
Create a finished printable flyer for a birthday party, in a 3:4 portrait aspect ratio like a letter-size or A4 sheet. Produce the flyer artwork itself, without a frame, wall, hands, or mockup. FLYER TEXT Use the following party information exactly as written. The labels before each colon are for you, not for the flyer; print only the text after them. Do not invent extra details. Title: Leo Is One! When: Sunday, March 15, 2026 · 11am–2pm Where: Glen Canyon Park Picnic Area Details: Cake smash at noon, bubbles all afternoon Cost / RSVP: Free · Kids and grown-ups welcome Hosted by The Okafor Family ART DIRECTION Interpret the supplied brief in CoBrA style. Visual vocabulary: childlike or mythic figures with bold outlines; vivid flat or semi-flat colour applied with visible energy; heavy gestural line that defines form expressively; animal, mask, and totemic imagery; composition without Western academic perspective. Lettering direction: hand-painted or roughly stencilled title; text integrated into the image rather than set formally. Suggested colors: vivid unmodulated colours — cobalt, vermillion, ochre, viridian, black, white. Composition: figure or figures filling the field; text in a bold painted band. Atmosphere: raw, mythic, child-like vigour, post-war energy, Nordic. Keep out of the design: Swiss or Bauhaus rational geometry, photographic realism, decorative polish, artificial yellowing or ageing. Apply the visual language to the supplied brief; do not invent historical affiliations, endorsements, or extra copy. ILLUSTRATION NOTES A bold childlike creature holding a giant balloon, thick restless line, raw unmixed colour. These notes guide the imagery; do not print them as text. Make the party name the largest text element. The date, time, and address must be easy to read at arm's length, with clear contrast and comfortable margins. Check spelling and retain the supplied wording. Do not include these instructions, labels, watermarks, or extra slogans in the artwork.
A bake sale · GPT Image 2.5 SunburstCupcake Stand for the RescueRead the exact prompt
Create a finished printable flyer for a bake sale, in a 3:4 portrait aspect ratio like a letter-size or A4 sheet. Produce the flyer artwork itself, without a frame, wall, hands, or mockup. FLYER TEXT Use the following party information exactly as written. The labels before each colon are for you, not for the flyer; print only the text after them. Do not invent extra details. Title: Cupcake Stand for the Rescue When: Saturday, June 6, 2026 · 10am–2pm Where: Corner of 24th & Noe Details: Cupcakes and dog treats, all proceeds to the animal rescue Cost / RSVP: $2 each · Cash or app Hosted by Posterage ART DIRECTION Interpret the supplied brief in CoBrA style. Visual vocabulary: childlike or mythic figures with bold outlines; vivid flat or semi-flat colour applied with visible energy; heavy gestural line that defines form expressively; animal, mask, and totemic imagery; composition without Western academic perspective. Lettering direction: hand-painted or roughly stencilled title; text integrated into the image rather than set formally. Suggested colors: vivid unmodulated colours — cobalt, vermillion, ochre, viridian, black, white. Composition: figure or figures filling the field; text in a bold painted band. Atmosphere: raw, mythic, child-like vigour, post-war energy, Nordic. Keep out of the design: Swiss or Bauhaus rational geometry, photographic realism, decorative polish, artificial yellowing or ageing. Apply the visual language to the supplied brief; do not invent historical affiliations, endorsements, or extra copy. ILLUSTRATION NOTES Childlike dog creatures with cupcakes, thick restless line, raw unmixed colour. These notes guide the imagery; do not print them as text. Make the party name the largest text element. The date, time, and address must be easy to read at arm's length, with clear contrast and comfortable margins. Check spelling and retain the supplied wording. Do not include these instructions, labels, watermarks, or extra slogans in the artwork.
A block party · GPT Image 2.5 SunburstTreat Avenue Block PartyRead the exact prompt
Create a finished printable flyer for a neighborhood block party, in a 3:4 portrait aspect ratio like a letter-size or A4 sheet. Produce the flyer artwork itself, without a frame, wall, hands, or mockup. FLYER TEXT Use the following party information exactly as written. The labels before each colon are for you, not for the flyer; print only the text after them. Do not invent extra details. Title: Treat Avenue Block Party When: Saturday, August 22, 2026 · Noon–8pm Where: Treat Avenue between 22nd & 23rd Details: Bounce house, potluck tables, and a neighborhood band at 5 Cost / RSVP: Free · Bring a dish to share Hosted by Treat Avenue Neighbors ART DIRECTION Interpret the supplied brief in CoBrA style. Visual vocabulary: childlike or mythic figures with bold outlines; vivid flat or semi-flat colour applied with visible energy; heavy gestural line that defines form expressively; animal, mask, and totemic imagery; composition without Western academic perspective. Lettering direction: hand-painted or roughly stencilled title; text integrated into the image rather than set formally. Suggested colors: vivid unmodulated colours — cobalt, vermillion, ochre, viridian, black, white. Composition: figure or figures filling the field; text in a bold painted band. Atmosphere: raw, mythic, child-like vigour, post-war energy, Nordic. Keep out of the design: Swiss or Bauhaus rational geometry, photographic realism, decorative polish, artificial yellowing or ageing. Apply the visual language to the supplied brief; do not invent historical affiliations, endorsements, or extra copy. ILLUSTRATION NOTES Childlike creatures crowding around a bounce house, thick line, raw colour. These notes guide the imagery; do not print them as text. Make the party name the largest text element. The date, time, and address must be easy to read at arm's length, with clear contrast and comfortable margins. Check spelling and retain the supplied wording. Do not include these instructions, labels, watermarks, or extra slogans in the artwork.
Prompt version 1 · 5 generated examples · Copy-and-paste guide →