5 seconds to select a dark color for a graph

I do not pretend to anything, because I do not propose anything supernatural. So-so, a small tip like this to save time.



In all my projects I insert graphs showing the attendance of a resource from Google Analytics. Basically, I have a white background everywhere and the standard colors amcharts.com





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But the last project has very dark shades and a black background, as it is associated with the club (night) life of the country. There is no time to pick a beautiful color. Without hesitation, I decided to try this. I load the screen of the page in Photoshop → Image → Adjustments → Invert → the result is excellent.