Verified against Flux · 2026-08-05
Design a social post with built-in caption space using Flux.2
A lifestyle-and-composition brief for a scroll-stopping social graphic on Flux.2, with deliberately reserved empty space for a text overlay added later in a design tool.
The prompt
Ready to copy — highlighted parts are example details you can swap.
A square 1:1 Instagram feed post social media graphic, a person's hands wrapping a small kraft-paper gift box on a wooden table, cozy top-down angle, a single sprig of holly with red berries as the only saturated color accent, warm, soft, slightly moody winter light, clean empty space in the upper third of the frame reserved for text overlay, muted, editorial, lifestyle-brand aesthetic, shot on film
Customize the highlighted detailsoptional — the prompt above already works
Why this works
"Reserved empty space" is the practical technique for generating social graphics that still need a caption or headline added afterward in a design tool. Because Flux.2 has no negative-prompt field, you get clutter-free negative space by explicitly describing where it should be — not by telling the model to exclude text after the fact, which it has no mechanism to honor. Flux.2 also responds well to platform-aware format naming ("square Instagram post" vs. "vertical Reels/Story") because it changes the model's framing instincts even though Flux has no Midjourney-style CLI parameters at all; format has to live in the prose, not in a flag.
What you get back
A warm, on-brand lifestyle image with a genuinely clear region for a caption to be overlaid afterward — if the first pass fills the reserved area anyway, regenerate rather than trying to fix it with an exclusion instruction, since none exists.
Verified against
Flux Flux.2 · 2026-08-05
Changelog
- 2026-08-05 — Initial publish, verified against Flux.2 for platform-format handling and reserved negative space.
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