Color correction is one of the most power full jobs which are possible by using some special tools in Photoshop. Color correction is a job through which we can fix the images color and tonal problems like brightness, Contrast, and darkness.
There are some terms that would be considered before performing color correction
Calibration and profiling are important color correction so we need a monitor for color correction that’s calibrated and profiled.
If the monitor is not profiled then the images can looks different color on other monitor or on printed version.
Make a well plan for layers adjustment to adjust the color balance.
If you won’t use layer adjustment then you can apply adjustment directly on the images. But remember that it’s can discord your image information
For color correction 16 bit image is better than 8 bit images.
Always make a duplicate copy of images before applying color adjustment.
Must remove the spot, dust, blemishes from the images before applying for color correction.
Always open the Histogram panel that’s help you to color correction