Alternatively, you could use several color layers. Create them from the layer
palette with the “New Fill/Adjustment Layer” button. Choose a color, then
set the blending mode to “Vivid Light.” Reduce the opacity to about 12%,
and invert the layer mask with Control/Command + I. Paint in the
colored light with a big brush and white color. This works especially well for
the lighting in portraits that have a textured background.
Here’s the Color Look with an Adjustment Layer.
Controlling Mid-Tone Contrasts
To i n c r e a s e d e t a i l i n l a n d s c a p e s h o t s , b o o s t t h e m i d - t o n e c o n t r a s t. C o p y t h e
background layer with Control/Command + J, and then click on Filter →
Convert for Smart Filters in the menu. Then go to Filter → Other → High