For those coming to Data Visualization field from Data Science or Computer Science fields, all colour related stuff might seem like magic – either you have an eye for it or you don’t. And if not, then you just don’t bother too much tweaking those, however still admire someone who manages to make a dashboard look nice. Truly a colour magician!
But at the same time, you see when it is getting bad, albeit you might not know how to fix those colours exactly.