copay/public/views/preferencesColor.html

<div class="topbar-container" ng-include="'views/includes/topbar.html'"
  ng-init="titleSection='Color'; goBackToState = 'preferences'">
</div>

<div class="content preferences" ng-controller="preferencesColorController as p" ng-init="p.init()">
  <h4></h4>

  <ion-radio class="size-12" ng-repeat="c in p.colorList" ng-value="c" ng-model="data.currentColor" ng-click="p.save(c)">
    <span ng-style="{'color': c}">&block;</span>
  </ion-radio>
</div>