What kind of background is better to do online for text?

It seems to me, often before used beige, pastel colors, and now it began to use white background + black text. What is the reason? What are the problems with perception when using a slightly grey background? Maybe gray letters stronger blur.
June 27th 19 at 15:06
2 answers
June 27th 19 at 15:08
The only rule is that text needs to be enough contrast, so you don't have to strain your eyes when reading.
June 27th 19 at 15:10
Adobe has a great tool selection colors
Here is a little theory
And here you can find an example for yourself
I work with a small number of servers, but still confused, began to control each pick your colors, but it's not just a website, for me these terminals every working day have to sit...

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