Color Templating in Java
The Color field allows content writers to select a color through a variety of color pickers as well as having the option to manually input a hex value.
Get the hex color value
Here's how to get the hex value of a Color field using the getHexValue() method.
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<c:set var="color" value="${document.getColor('blog_post.color').getHexValue()}"/>
<h4 style="color: ${color}">Colorful Title</h4>