Sorry for the "unusual" way of this post, but PLEASE juste make style like this (for example in part.board.mainwiew.php). it will take you 5 mins to patch all files....
ng-style="{ 'background-color' : '#{{boardservice.getCurrent().color}}' , 'color' : '#{{boardservice.getCurrent().color | textColorFilter}}' }"
INSTEAD OF
style="background-color: #{{boardservice.getCurrent().color }}; color: {{boardservice.getCurrent().color | textColorFilter }};"
ACCORDING TO AngularJS Doc
A lot of people are still using IE11 onto Win7...