With the Levels adjustment, you can control the contrast and the tonal range of the photo. You can adjust the black point, shadows, midtones, highlights, and white point settings to brighten up an image, add more contrast to an image. You can also use Levels to adjust the RGB change the look of specific colors (red, green, and blue).
A handy color histogram shows just how much of the image colors are in the shadow, midtone, and highlight areas of an image, and gives you a clearer idea of what needs to be adjusted.
Tap #img:"1653917292000.png":"tools.png"#, Adjust Colors, and find Levels.
Drag the sliders to adjust the colors, brightness, and contrast of a photo:
Black point: Dragging the black point slider sets a new black point in an image. In other words, lets you redefine the darkest areas (shadows) of an image to bring them closer to pure black and increase contrast.
Grey point: Dragging the grey point sets a new grey point in an image. You can drag the slider to the right to make all image midtones brighter and to the left to darken them without affecting the dark blacks and bright whites.
White point: Dragging the white point slider sets a new white point in an image. This way, you can redefine the brightest areas (highlights) of an image to bring them closer to pure white and increase contrast.
Important: If the dark or bright tonal values of an image were close to pure blacks or pure whites to begin with, re-adjusting them might result in blown-out shadows or highlights and image may lose detail.