Masking sliders adjust the edges of the sky image.
Use the Shift Edge slider to create distance between the foreground image and the sky. Drag the slider to the right to zoom the layer in. Drag it to the left to extend the mask further away from the edge of the original image for a halo effect. You can make the sky sharp or blurry with the Fade Edge slider.
Zoom in on your new sky.
If the new sky doesn’t cover the background as well as you’d like or it bleeds over into the original image, just click Zoom and use the Brush tool to paint in (show more) or subtract from (hide) the new sky. You can also use the Move tool in the Sky Replacement window to control the position of the sky if it needs some realignment.
Set the mood with sky adjustments.
Make the sky brighter or darker with the Brightness slider. This becomes a brightness and contrast layer. To turn the sky warmer or cooler, use the Temperature slider. This becomes the colour balance adjustment layer.
The Scale slider lets you shrink or enlarge the sky image. You can also flip the sky horizontally to match the light direction of the foreground image. To do this, click the Flip tickbox.
Control your original image with foreground adjustments.
The Lighting mode drop-down is a regular pixelator that adjusts the brightness of the image. Select Multiply to darken and Screen to lighten. Use the Lighting adjustment slider to lighten or darken the background of the original image where it connects to the new sky so it blends with the new sky.
You can also create a curve adjustment layer to harmonise the colours with the Colour adjustment slider. It takes the colours from the new sky image and applies them to the original image in the foreground.
Make the finishing touches.
Whether your aim is a natural or surreal sky, Colour Lookup Adjustment will help you to match the sky to your image. “After replacing the sky, you can colour-grade your new image with a Colour Lookup adjustment layer,” says Ramirez. “This will help your foreground image look realistic with the sky look and feel you are going for.”
1. New Adjustment Layer › Colour Lookup.
2. Select 3DLUT in the file drop-down menu. To achieve a nighttime look, select either Moonlight.3DL or NightFromDay.CUBE.
3. Add a Hue and Saturation adjustment layer or use Curves to further refine your photo so you achieve the look you want.