Changing graph colors for multiple graphs


How I can determine the color of the graph in case of using multiple graphs in the same chart? Below is an example, I do not need the color to be the degrees of the blue color, I need to use blue and red and orange for each graph, from where I can determine this in the code?

This graph is displayed at the company and it is using the python code method: get_monthly_goal_graph_data which is existed in the frappe/utils/ file.

I tried to set the color in the datasets (as it is the only place that I can set the color for each dataset), but it did not work. So, where it can be set?

Anyway, this graph is set True in the and from there, the method get_monthly_goal_graph_data is called and its arguments is given.

I need to be able to set the colors. Any help?