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Step 3:  Select the desired brush tip, size, hardness, modes, limits, etc., from the
                          Options bar.

                 Step 4:  Move the crosshair over the object (red apple) in the image and click. As soon
                          as you click, Photoshop samples the object’s colour (red) under the crosshair.
                          Now, it knows which colour to replace. The colour under crosshair changes into
                          green (foreground color).

                 Step 5:  Click and drag the mouse button over                                                              INTRODUCTION TO PHOTOSHOP
                          the remaining areas to change the rest

                          of the colour.
                 Do not move the crosshair away from the object.
                 Otherwise, it will sample the colour of the area                   Using Color Replacement Tool

                 outside your object and will start changing it to foreground color as well. If you do so
                 by mistake, you can just undo.

                 Sampling Continuous replaces all the colours with the foreground color. Sampling Once                    103
                 changes colour which you click first. Sampling Background Swatch replaces the colour

                 of the object into the background color. You can select your desired blend mode from
                 Color, Hue, Saturation and Luminosity.

                 Contiguous  Limit  replaces  the  colour  of  neighbouring  pixels  containing  the  sampled

                 colour. Discontiguous  Limit replaces the colour of the pixels containing the sampled
                 colour, whether or not they are close by.  Tolerance refers to a range of colour. A
                 high tolerance lets you replace a broad range of colours. A low tolerance limits the

                 replacement of colour to only areas that are similar to the sampled colour. Anti-aliasing
                 softens and smoothens the edge of the sampled areas slightly.






                                             Sampling    Sampling     Sampling Background
                                            Continuous     Once            Swatch


                  Mixer Brush Tool

                 Mixer Brush Tool lets you paint in Photoshop as if you are painting on a real canvas. It lets

                 you pick colour from the canvas. That is why it is also known as a realistic painting technique
                 which mixes colours on the canvas, combines colours on a brush and wetness across a stroke.

                 It gives sober bristle effects and textures that resemble those in paintings that you might
                 create on a canvas. It mixes with the colour in the background and with the canvas itself.

                 It converts photos into artwork without applying filters, etc.
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