There are a lot of ways to select all of one color in Photoshop. One way is to use the eyedropper tool. To select all of the red in a image, for example, you would use the following command: Eyedropper > select all > red
There are a lot of ways to select all of one color in Photoshop. One way is to use the eyedropper tool. To select all of the red in a image, for example, you would use the following command: Eyedropper > select all > red