Use color inputs for broadcast messages

app/views/admin/broadcast_messages/_form.html.haml

@@ -21,11 +21,11 @@
   .form-group.js-toggle-colors-container.hide
     = f.label :color, "Background Color", class: 'control-label'
     .col-sm-10
-      = f.text_field :color, class: "form-control"
+      = f.color_field :color, class: "form-control"
   .form-group.js-toggle-colors-container.hide
     = f.label :font, "Font Color", class: 'control-label'
     .col-sm-10
-      = f.text_field :font, class: "form-control"
+      = f.color_field :font, class: "form-control"
   .form-group
     = f.label :starts_at, class: 'control-label'
     .col-sm-10.datetime-controls

changelogs/unreleased/28139-use-color-input-broadcast-messages.yml

+---
+title: Use color inputs for broadcast messages
+merge_request:
+author: