Traverses the dom upwards, beginning by the given element and extracts their background color.
If the background color is transparent it will be ignored and the search continues.
The traversing stops as soon as either the HTML node is reached or a background color was found.
If a color was found, the rgb value will be returned, if no color was found
or it was completely transparent NULL is returned
Traverses the dom upwards, beginning by the given element and extracts their background color. If the background color is transparent it will be ignored and the search continues. The traversing stops as soon as either the HTML node is reached or a background color was found.
If a color was found, the rgb value will be returned, if no color was found or it was completely transparent NULL is returned