Replace a dull sky with a sunset

This prompt replaces the sky in your photo with one you choose, such as a warm sunset with soft clouds. Everything else stays unchanged, and the light and colour on buildings and people are matched.

photo-sunset-sky-replacement — gemini — 55 words

Replace the sky in this photo with a [SKY, e.g. warm sunset with soft clouds]. Keep everything else in the photo unchanged.

Match the light and colour on the buildings, ground and people to the new sky, add matching reflections in glass or water, and blend the horizon so the edit looks natural. No halos.

Edit in the builder Copy & open Gemini ↗Copy & open ChatGPT ↗

Pick a sky that matches the direction of the original shadows.

Your photo goes to the AI app you choose, never to PromptUp.

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What you will get

Your photo with a new warm sky, the light on buildings, ground and people matched to it, reflections added where there is glass or water, and a clean horizon without halos.

Why it works

A new sky only works if the scene matches it, so the prompt adjusts light on buildings, ground and people and adds reflections. Blending the horizon with no halos hides the join. Matching shadow direction, as the tip says, keeps it believable.

Common mistake

The light does not match.

Fix: Pick a sky that lights the scene from the same side as the existing shadows, or the edit looks pasted on.

Also watch for

A bright halo shows around trees. Ask it to blend fine edges such as leaves and wires, and zoom in to check before you share it.
The sky is too dramatic. Say “subtle, believable” and choose soft clouds. An over-saturated sky is easy to spot.

Try a variation: try blue hour

Swap the sunset for deep blue dusk with the first lit windows, and warm interior light on the buildings.

Still not right? Reply with this

Keep everything else the same. Make every window, glass surface and the water reflect the new sunset sky, not the old one.