Photo edit prompt
Correct a yellow or blue colour cast
Correct a yellow or blue colour cast: a free, copy-paste prompt for Gemini and ChatGPT. Upload your photo, paste the prompt, and fill in any [BRACKETED] fields.
The prompt
Correct the colour cast in this photo. It looks too [YELLOW / BLUE / GREEN] because of [e.g. indoor bulbs / shade / fluorescent lights]. Make whites truly white and skin tones natural. Keep the mood, do not oversaturate, and keep every detail and person exactly the same.
Pro tip: Point to something that should be white or grey so the AI can calibrate.
How to use this prompt
- Open Gemini and start a new chat.
- Upload your photo (a clear, front-facing one works best).
- Paste the prompt and replace any [BRACKETED] fields with your own details.
- Send it. If something is off, regenerate or change one detail at a time.
Prompt at a glance
- Category
- Photo edit
- Works with
- Gemini · ChatGPT
- Length
- 48 words
- Fields to fill in
- YELLOW / BLUE / GREEN
- Last updated
Frequently asked questions
Which AI tools work with this prompt?
It is written for Gemini and ChatGPT. Both can edit a photo you upload.
What do I need to fill in?
Replace the field before you send it: YELLOW / BLUE / GREEN. Each field shows an example in the prompt.
Will the AI change my face?
The prompt tells the AI to keep faces and identities the same, but results vary between runs. If a face drifts, regenerate or reply "keep the face identical to the original".
Is my photo uploaded to PromptUp?
No. PromptUp only gives you the text of the prompt. You upload your photo directly to the AI tool you choose, under that tool's own privacy terms.
