Loose watercolour city sketch
A light urban-sketch style watercolour of a street corner with ink lines and soft washes. Paste this prompt into ChatGPT, Gemini or Grok, change the parts in brackets to suit you, and generate.
- Written for
- ChatGPT, Gemini, Grok
- Status
- Tested 27 Sep 2026 in Gemini app (web), Flash mode with built-in image generation
- Test settings
- Default copy text pasted unchanged into a new Gemini chat. No reference image. First result used; only converted to WebP.
- Variability
- Layout, colours and small details change between runs. Gemini adds a small sparkle watermark in the corner.
Scene: a corner of old Kolkata near a tram line with old buildings, balconies, a tree, a few small figures and a parked bicycle. Composition: slightly tilted two-point perspective, sky and foreground left mostly white. Technique: quick fountain-pen ink lines, then loose transparent watercolour washes that bleed past the lines, visible paper texture and small splatters. Colour: warm ochre, faded green and brick red, shadows in cool violet. Style: urban sketcher's journal page, spontaneous and airy. Format: horizontal 4:3 Avoid: photorealism, heavy outlines, digital gradients, readable shop signs or text, perfect straight lines, watermarks.
Customise
For example: a corner of old Kolkata near a tram line.
For example: warm ochre, faded green and brick red.
Fields start with illustrative values; replace them with your own facts. The prompt updates as you type. Copy prompt copies your version.
How to use it
- Open an external image tool named above. Check Status for the provider actually tested.
- Paste the prompt. Replace anything in [BRACKETS] first, or use Customise.
- Send, then ask for small changes in follow-up messages.
How to use this prompt
- This prompt makes a new picture. Check the AI app named above and the real test recorded in Status.
- Fill Customise with what you want, or replace [BRACKETS] with the right details. Press Copy prompt and paste it into the image app you chose.
- When the picture is ready, check objects, hands, faces, writing and any detail that matters. Ask for one clear correction if something is missing.
Good to know
- Models may over-finish the painting; ask for 'more white paper and looser washes' to keep it sketchy.




