ose background is going to be yellow for the 30% of users, red for 30% of users, blue for 30% of users and, for the remaining 10% of users; the button background is going to be the default color which is white in this sample.
-->
<button class= "button-color-experiment">Click here</button>

<!-- ## Reporting with amp-pixel-->

<!--
  Measure results of the experiment using [amp-pixel](https://www.ampproject.org/docs/reference/components/amp-pixel).
-->
<amp-pixel src="https://example.com/track/?xname=button