Opacity
To quickly change the opacity of a layer, switch to the Move tool (typing V will switch you to the Move tool), and use the number keys on your keyboard (1 = 10%, 3 = 30%, 56 = 56%, and so on). You can figure out the exact opacity of an area by Option-clicking (Mac) or Alt-clicking (Windows) a layer's eyeball icon and then opening the Info palette. Click the eyedropper in the Info palette, and choose Opacity; you'll get a separate readout that indicates how opaque the area is below your cursor. |
The Opacity setting at the top of the Layers palette controls the opacity of the active layer. When this setting is lowered, the entire layer becomes ...
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