- Adjust brightness and contrast
In the menu bar, select Image > Adjustments > Brightness/Contrast.
Adjust the Brightness slider to change the overall brightness of the image. Adjust the Contrast slider to increase or decrease image contrast.
Click OK. The adjustments will appear only on the selected layer. - Adjust color vibrance
In the menu bar, select Image > Adjustments > Vibrance.
Experiment by adjusting the sliders. The Vibrance slider affects the intensity of colors. It has the strongest effect on muted colors in the image. The Saturation slider increases the color intensity of all colors in the image.
Click OK when you’re done. - Adjust hue and saturation
In the menu bar, select Image > Adjustments > Hue/Saturation.
Experiment by adjusting the Hue, Saturation, and Lightness sliders. Your changes will affect all the colors in the image. The Hue slider changes the colors in an image. The Saturation slider affects the intensity of colors in an image. The Lightness slider affects the brightness of colors in an image.
To affect only a specific color with these sliders, first go to the drop-down menu at the top left of the Hue/Saturation dialog box and choose a color range, like Yellows. Then adjust the Hue, Saturation, or Lightness sliders. These changes will only affect the selected color range, wherever that color appears in the image.
Click OK when you’re done.