Dashboard Widget Graph color change

I am trying to change Dashboard Graph (Widget) color.
Green and purple doesn’t work for me so I’d like to change blue and pink.
I searched forum and found the below, but it only changes Top Traffic widget and traffic from Geo Location. Graph widget is still no change.
Please help.
Thank you in advance.

For bits we use ‘green’ and ‘blue’ variables so you can overide those in config.php:
$config[‘graph_colours’][‘greens’] = array(
$config[‘graph_colours’][‘blues’] = array(