javascript - java script on event handler and color contrasts -

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The selected task is fine in the context of the output of a selected color on the page or screen via the radio button.

Each radio button represents a different color.

I was wondering if it is possible with some javascript to be able to manipulate the opposite of each selected color.

For example, by continuously clicking on the color + button, I should be able to get a deep contrast to the selected radio button color via java-script, but how? 

  & lt; Script & gt; // function notification is applied when the user notifies the button function () {Warning ("You have activated me by clicking on the gray button! Note that the event handler is added to the event that handles it In this case, the form button event tag ")}

Use one to get a color model where you can easily paint Change the light and then change the color to RGB.


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