Halfday prompt kit

Read from the real files, not the homepage copy. Use this to build original frames in the same visual language on Riverflow (product-locked photoshoots) and Nano Banana (narrative gens and edits). Do not ship a 1:1 clone of a copyrighted photo.

The system

Halfday looks like Arizona/Snapple nostalgia rebuilt as a modern CPG still: candy-saturated strobe, illustrated fruit on the can, photographic fruit around the can, condensation as a material, leisure props (tiki glass, yellow lamp, green curtain, colored acrylic coasters).

Lemon can
#F4C400
Wordmark
#F04A1C
Subline
#1B5C2A
Tropical
#2EC4B6
Studio wall
#FF6B4A
Curtain
#2DB84A

Always

  • Hard, high-key commercial strobe. Candy grade, not filmic mute.
  • Flat illustrated fruit + 4-point sparkles on the label.
  • Real wet fruit / ice / pour as physical props.
  • Condensation on lifestyle and “hero wet” pack shots.
  • Arched condensed wordmark in coral-orange (yellow on teal cans).
  • Colored seamless or fluted paper matching the flavor.
  • Glossy floor that reflects the can, on studio heroes.
  • Cropped hands, neat nails, the action of pouring.

Never

  • Dark beer-bar lighting, gym, green-juice beige wellness.
  • Photographic fruit printed on the can.
  • White blocky wordmark. The mark is arched and heavy.
  • Matte “organic pouch” lighting.
  • Slim can when the shot is the chubby 12oz soda can (or vice versa).
  • Showing the lid instead of the illustrated face while pouring.
  • Lying cans spilling liquid. Theirs stay sealed.

Canonical references (use these)

Attach these in Riverflow as Product + Style. Ignore blog-stock.

Riverflow

Four ingredients: Product (pack shot) · Style (2–3 brand photos) · Scene (composition) · Prompt (direction with MUST / DO NOT).

Style lock (paste into Style, or as scoring context)

Candy-saturated American soda advertising. Hard high-key strobe, not filmic. Illustrated fruit graphics with sparkles on the can; real wet fruit only as props. Condensation on metal. Colored seamless or fluted paper backdrops. Leisure nostalgia: tiki glass, yellow lamp, green vertical curtain, oak table, acrylic coasters. Glossy colored floor on studio heroes.

1. Flavor studio hero

Product = wet lemon can. Style = Rectangle_3147. Scene = product on seamless with props.

Show the product can three-quarter hero on a glossy floor that matches a fluted coral-orange paper backdrop. Real wet lemon halves sit beside the can. MUST keep the product label, dimensions, and illustrated fruit exactly as the product reference. MUST use the lighting and color grade from the style. MUST cover the can in cold condensation. DO NOT replace the illustrated lemon with a photograph. DO NOT change the can from a chubby 12oz soda can to a slim can. DO NOT add extra logos, badges, or prices.

2. Leisure pour (9:16)

Product = tropical slim or chubby (match the SKU). Style = TDAVIS pour.

A cropped hand with neat pale-pink nails pours from the product can into a clear ribbed tiki-face glass packed with ice, on peeling white-painted wood. Candy tropical sunset behind, slightly soft. MUST show the illustrated face of the can, not the lid. MUST keep the product artwork exact. MUST use sunset-plus-strobe lighting from the style. DO NOT add extra cans lying in the foreground. DO NOT make the tea dark brown; it is pale gold. DO NOT crop out the glass.

3. Flavor-family table (16:9)

Four flavor cans on a light oak table: one lying on its side sealed, others standing on mint/pink/amber acrylic coasters. Mustard-yellow lamp, green vertically pleated curtain. A hand pours from a can into a short glass of ice. Sunglasses and keys on a yellow tray. MUST keep every product label exact. MUST wet every can with condensation. DO NOT pour from a pitcher. DO NOT let the lying can spill. DO NOT mute the colors.

Scoring rubric

Pack identity 30 — labels match the product reference; no invented type.
Candy grade 20 — high-key strobe, saturated, not moody.
Condensation / material 15 — wet metal, ice, real fruit texture.
Leisure world 15 — tiki / lamp / curtain / coasters as specified, nothing wellness-beige.
Composition 20 — hero can readable, copy space if needed, no clutter cans.

Nano Banana

Narrative formula: subject + action + setting + composition + lighting. For real SKUs, edit from a pack shot rather than inventing the label. Text-to-image will miss the arched HALFDAY mark.

Text-to-image (look studies, no real SKU)

A yellow 12-ounce aluminum iced-tea can, dripping condensation, standing on a glossy coral-orange seamless that mirrors it. Fluted vertical paper backdrop in the same coral. Real wet lemon halves as props. Flat illustrated lemon with a green leaf, a graphic slice, and small white sparkles on the can — not a photo of fruit. Hard high-key strobe, candy-saturated nostalgic American soda ad. Slightly high three-quarter hero, can filling most of the frame.

Edit from pack shot (real SKU)

Keep this can’s label, shape, and illustrated fruit exactly. Place it on a glossy coral-orange floor in front of a fluted coral paper backdrop. Add real wet lemon halves beside it. Cover the can in condensation. Hard high-key strobe, candy color grade. Do not change the artwork or the can proportions.

Pour edit

Using the attached can as the only product, have a cropped hand with pale-pink nails pour from it into a ribbed tiki-face glass of ice on peeling white wood. Candy tropical sunset behind. Show the illustrated face of the can, not the lid. Pale gold tea. Tight vertical crop.

Study frames (text-only, no product lock)

These were generated from the recipes above, without attaching Halfday’s pack shots — on purpose. Lighting, props, and grade transferred. Packaging identity did not. That is the lesson: Riverflow product lock (or Nano Banana edit-from-pack) is mandatory for real SKUs.

Study: lemon studio
Studio hero — backdrop, fruit props, condensation, candy grade: yes. Arched coral wordmark: no (white block type appeared).
Study: tropical pour
Pour — tiki glass, sunset, nails, peeling paint: yes. Extra clutter cans and lid-facing pour: fix with MUST show illustrated face / DO NOT add extra cans.
Study: table still
Table — green curtain, yellow lamp, coasters, keys: yes. Pitcher instead of can, spilling lying can: forbidden in the Riverflow prompt.
Study: white pack
White pack — illustrated fruit + sparkles: close. Asked for slim, got chubby. Lock can format from the product reference.