GRIDDLER is a simple function to overcome the lack of ability to set the grid line color to be different than the axes label color. i.e. you want black text and grey grid lines. The intent is to use this as a callback of a listener object.
Jonathan Lister (2020). GRIDDLER (https://www.mathworks.com/matlabcentral/fileexchange/42536-griddler), MATLAB Central File Exchange. Retrieved .