Brightness, Contrast, Hue and Saturation Sliders
There are four sliders in the top left-hand part of the screen – Brightness, Contrast, Hue and Saturation, set to their default position of 50. To increase the Brightness, Contrast, Hue and Saturation simply left click, hold and drag the slider to the right. To decrease the effect, click and drag the slider to the left. To take the image through the colour wheel, click and drag the Hue slider left or right.
PC
Mac
In the bottom left-hand corner of the screen there are three Preview Tabs – one of them is called Adjust. As you drag the sliders left and right, you will see a real-time preview of what will be rendered to the Canvas. When you let go of the slider, the Canvas will be updated.