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Photoshop provides five types of gradients which are as follow:












                        Linear Gradient            Radial Gradient                Angular Gradient               Reflected Gradient          Diamond Gradient

                       Paint Bucket Tool

                  The Paint Bucket Tool in Photoshop fills adjacent pixels that are similar in colour in the image. It fills
                  with either the selected foreground colours or with a pattern. If the image has flat colours, then
                  there will not be any issues while filling colours. But if the image is complex and has a lot of colours,

                  then paint bucket tool will not be of much use.
                  Follow the below steps to use the Paint Bucket Tool:
                  Step 1:    Create a new document or image with similar colour or pattern.

                  Step 2:    Select the Paint Bucket Tool from the Tools panel.
                  Step 3:      Select a mode from the Mode drop-down list in the Options bar. In this case, we have

                             selected Linear Burn mode.
                  Step 4:      Set the Tolerance value in the Options bar. The Tolerance value directly affects the pixels to
                             be filled with colour. A low Tolerance means only very similar color pixels will be affected and
                             high Tolerance means more pixels will be affected. The range of Tolerance is 0 to 255. If the

                             Contiguous option is checked, only pixels that are connected to the original pixel are filled.
                  Step 5:      Select the desired foreground colour and click on the image. The similar colour pixels are
                             changed.












                       Original image                                                     Tolerance-18                                                        Tolerance-65

                       Eyedropper Tool
                  Eyedropper Tool lets you change the foreground or background colors by lifting them from the
                  image. It helps when you want to use an existing color in the image for another element. To use the
                  Eyedropper Tool, follow these steps:

                  Step 1:      Open the image in Photoshop from which
                             you want to take colour.






                  18    Premium Edition-VI
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