What visual goals is this prompt best for?

Portrait studies, beauty concepts, and tightly framed editorial references. Reference-image workflows where identity, product shape, or silhouette should survive the restyle. Realism-heavy outputs where believable materials, skin, or product finishes need to hold up in close view.

What common mistakes should be avoided when using this prompt?

Ignoring the recommended 4:5 crop on the first run. The prompt's composition cues were written for that frame. Using a muddy reference image and expecting the prompt to repair identity, silhouette, or packaging structure on its own. Dropping the lighting or backdrop cues too early. Those clauses usually carry most of the mood and depth.

What are the recommended aspect ratio and settings?

Recommended aspect ratio is 4:5 using Nano Banana Pro. Negative prompt filters include: ugly, deformed, low quality, blurry, text, watermark, worst quality, low res.

Prompt Showcase/Soft Smile by Rainy Window

Verified Prompt Recipe

Ratio 4:5Image-to-Image

Creator Reference:@NanoBanana_labs

Original Post

Soft Smile by Rainy Window

Copy this Nano Banana Pro reference-guided prompt to create portrait concepts in indoor scenes with photorealistic detail. Best in 3:4 framing.

Master PromptClick to select all

A cozy indoor photo shows the person attached in the uploaded reference image (keep the face 100% accurate) resting their forehead on a rainy window. They smile softly as droplets slide down the glass. Warm room light glows behind them. Aspect ratio 4:5

Optimal Generation Parameters

Aspect Ratio

4:5

ModelNano Banana Pro

Aesthetic KeynotesPhotorealistic, Reference-Guided

#portrait #realistic #peaceful #indoor #nature #warm #cozy #rainy

Test & Generate with GPT Image 2

Prompt tokens and APIMart GPT Image 2 are pre-loaded. Customize or click generate.

Soft Smile by Rainy Window

Nano Banana 2

Creative Blueprint & Recipe Breakdown

How to Master & Adapt This Visual

Professional prompts rely on modular tokens. Use this recipe breakdown to swap subjects, control studio lighting, and eliminate common AI artifacts.

Prompt Variables Blueprint (What to Customize First)

Iterate on one variable group at a time to maintain stylistic consistency:

1Change the subject block first: A cozy indoor photo shows the person attached in the uploaded reference image (keep the face 100% accurate) resting...

2Adjust the mood through light and backdrop cues: Warm room light glows behind them.

3Keep the finish constraints aligned while you test variants: They smile softly as droplets slide down the glass.

3 Style Recipes

Swap the subject, keep the frameRecipe #1

Replace a cozy indoor photo shows the person attached in the uploaded reference image (keep the... with your own subject while leaving the camera and composition cues intact.

Retune the mood, not the structureRecipe #2

Keep the subject block, then rewrite warm room light glows behind them. to move the image into a new lighting setup.

Push the restyle with a cleaner referenceRecipe #3

Start from a sharper or more contrasty source image, then edit finish descriptors only after subject preservation is stable.

Production Quality Guide: Best Use vs. Pitfalls

Ideal Use Cases (Where it Shines)

•Portrait studies, beauty concepts, and tightly framed editorial references.
•Reference-image workflows where identity, product shape, or silhouette should survive the restyle.
•Realism-heavy outputs where believable materials, skin, or product finishes need to hold up in close view.
✓Start with a sharp reference image. This prompt is written to preserve source identity, silhouette, or product structure before stylization.
✓The prompt body explicitly asks for 4:5, so the page now prioritizes 4:5 over generic fallback settings.
✓Lock the environment before fine styling changes: Warm room light glows behind them.

Pitfalls to Avoid (Common Mistakes)

!Ignoring the recommended 4:5 crop on the first run. The prompt's composition cues were written for that frame.
!Using a muddy reference image and expecting the prompt to repair identity, silhouette, or packaging structure on its own.
!Dropping the lighting or backdrop cues too early. Those clauses usually carry most of the mood and depth.
✕Skip if: You need a wide environment shot or multiple subjects competing for attention in the same frame.
✕Skip if: You need to begin with a radically different crop than 4:5 instead of honoring the existing composition hints.
✕Skip if: Your reference image is low-resolution, badly lit, or cluttered enough to break subject preservation.

Technical Analysis & How This Prompt Works

Copy this Nano Banana Pro reference-guided prompt to create portrait concepts in indoor scenes with photorealistic detail. Best in 3:4 framing. Best in...

Use a clean reference image with obvious subject edges and readable facial or product details before you start changing the styling. Keep the generator on 4:5 for the closest match. The mood is anchored by warm room light glows behind them.

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