I want to add my own custom colors, similar to "primary", "warn" etc. For example, I added a class for an orange background, but I use it as a class and not as a color attribute. It works, but the code looks a bit confusing.
<button md-raised-button
color="primary"
class="btn-w-md ml-3 orange-500-bg">
<i class="material-icons">description</i>
Deactivate
</button>
What do I need to do to add it as color="orange"?

