JSFiddle - React, Tailwind, and code Playground

HTML

<p>наведи на картинку</p>

<img src="http://przemol84.bblog.pl/i/blog/users/2952/files/Image/test_colors.jpg" alt="" />

CSS

img.colored {
  filter: gray; /* IE 6-9 */
  
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%); /* W3C */
}

JavaScript

$(document).on('click','img',function(){
  $(this).toggleClass('colored');
});