Do you find your widgets color dull or not to your taste?

You can change this easily! Simply click on the pick icon on the top right of your widget:

You'll see the pick icon next to each metric on your widget. Click on it and choose your color

or enter your exif value :)

Don't forget to click on save to save your change!

You can change the colors on the following widget types:
line chart,
bar chart,
line & bar chart,
pie chart