How to automatically make text white if the background is dark and vice versa?

Question

css

there is a background. it changes. It has a link with text in one place. how to understand on what background the text is dark or light?

Answer 1

There is such an interesting thing as mix-blend-mode
You can use it like this:

Example

здесь применяется просто разница цветов, но у него есть и куча других значений

Support is not bad , only IE is in flight