picture is strongly underexposed. We want to produce a more enjoyable,
Create New Fill or Adjustment Layer (the black-and-white
circle) on the Layers palette, then choose Selective Color
from the dropdown.
dialog appears. Select Absolute at the bottom. From the Colors
list, you'll only need three values now: Whites (highs),
Neutrals (midtones), and Blacks (shadows). You'll use
them to set the lightness of the picture.
with Neutrals as this sets the lightness for the midtones.
Use only the lower slider (Black). The other sliders affect
the colors that we do not want to change now. After Neutrals,
change Whites and Blacks. The former affects white and related
tones (that is, the brighter areas), while the latter is for black
and its "friends", shadowed areas.
the example, we have set Neutrals to -35, Whites
to -10, and Blacks to -5 to make all three
you're satisfied with the result, click OK, and use Layer/Flatten
Image to merge the layers. Save the image, and you're done!