2. The use of a reference color for color and brightness correction
For the reference color we will use a color from the collection (at the bottom).
The color " brightness option is active, so we are able to extract both color and brightness from the reference color.
Select the region of the grass:

Press the Start button:

The initial photo was made at 6.30 in the morning - resulting in a yellow orange cast to the entire image!
You can see this example by running Example 3 from the program menu | Examples.