Same color for all the series in line chart

I am trying to create a line chart. All the lines come up as the same color series. Is there a way to have them in the same color as the legend?

So, the lines will have multiple colors matching with the legend.

Please, be guided by the next sample: … eries.html
First line has #1293f8 color and the second one has #66cc00 color. Please, find this colors in the code and you will see how to set custom colors for chart lines