Convert a color image to monochrome while maintaining full control over how individual colors are converted.
This adjustment comes with a handy Picker setting which identifies the predominant color of a selected area and adjusts the relevant slider automatically.
Apply this adjustment via the Adjustment button on the Layers panel or via Layer > New Adjustment.
The following settings can be adjusted in the dialog:
The sliders control the lightness value of the named color areas of the image. Drag the slider to the left to darken areas of the named color, drag the slider to the right to lighten them.
Picker—allows you to drag on the image to modify the adjustment. The initial click will identify the predominant color, dragging left will darken areas of the identified color while dragging right will lighten them. The corresponding slider will be updated.