HTML : How to dynamically change text colour based on dynamically changing background colour

HTML : How to dynamically change text colour based on dynamically changing background colour
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to share a hidden feature with you, and here it is.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Next, enter the letters 'awesome' on your keyboard.
Your YouTube progress indicator will turn into a shimmering rainbow.

Let me give you a brief introduction of who I am,
Hi, my name is Delphi, nice to meet you.
Let me help you get the answers you need to your questions.
HTML : How to dynamically change text colour based on dynamically changing background colour
Let me know if you have more specific questions or concerns by leaving a comment or starting a chat.
If you have additional information or an answer to contribute, please feel free to comment below.
A 'heart' from me is a way of showing appreciation for your answer.
based to HTML colour dynamically change dynamically text background colour : How on changing