.accordion-item missing $accordion-color variable?

Created by: endcoreAK

If I understand this correctly, the variable $accordion-color should be used in the _accordion.scss file at the selector .accordion-item, because otherwise this variable is not used at any place.

Because when I use the accordion inside a div.text-white, the text does not appear: https://jsfiddle.net/dj0zgmqa/