Auto Color adjusts the contrast and color of an image by searching the image to identify shadows, midtones, and highlights. By default, Auto Color neutralizes the midtones using a target color of RGB 128 gray and clips the shadows and highlight pixels by 0.5%.

What is auto Colour in Photoshop?

Photoshop bases its color modes on the color models that are useful for images used in publishing. You can choose from RGB (Red, Green, Blue), CMYK (Cyan, Magenta, Yellow, Black), Lab Color (based on CIE L* a* b*), and Grayscale.

How do you auto adjust color in Photoshop?

Open an image and choose Image→Adjustments→Levels or press Ctrl+L (Command+L on the Mac). You can also use the Curves command by pressing Ctrl+M (Command+M on the Mac). Click the Options button in the dialog box to access the Auto Color Correction Options dialog box.