diff --git a/x-pack/plugins/maps/public/classes/layers/_layers.scss b/x-pack/plugins/maps/public/classes/layers/_layers.scss
index d08678e091b4e..f3685b163e397 100644
--- a/x-pack/plugins/maps/public/classes/layers/_layers.scss
+++ b/x-pack/plugins/maps/public/classes/layers/_layers.scss
@@ -8,4 +8,8 @@
   &__background {
     fill: lightOrDarkTheme($euiColorLightShade, $euiColorMediumShade);
   }
+
+  &__backgroundDarker {
+    fill: lightOrDarkTheme($euiColorMediumShade, $euiColorDarkShade);
+  }
 }
diff --git a/x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_icon.tsx b/x-pack/plugins/maps/public/classes/layers/icons/ems_boundaries_layer_icon.tsx
similarity index 96%
rename from x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_icon.tsx
rename to x-pack/plugins/maps/public/classes/layers/icons/ems_boundaries_layer_icon.tsx
index 622b084330b4f..ab603a918313f 100644
--- a/x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_icon.tsx
+++ b/x-pack/plugins/maps/public/classes/layers/icons/ems_boundaries_layer_icon.tsx
@@ -22,11 +22,11 @@ export const EMSBoundariesLayerIcon: FunctionComponent = () => (
     className="mapLayersWizardIcon"
   >
     <path
-      className="mapLayersWizardIcon__background"
+      className="mapLayersWizardIcon__backgroundDarker"
       d="M30.766 14.01l1.602-12.954-1.389.237c-.744.253-1.768.38-2.702.45a43.28 43.28 0 01-1.259.07l-.092.004c-.312.014-.57.026-.72.042a1.895 1.895 0 00-.558.168c-.156.07-.316.156-.47.238l-.057.03c-.356.191-.687.358-1.025.4l-1.308.339v5.863c0 .698.142 2.17 0 3.443l-.204 1.67h8.182zM20.871 2.748c-.656.039-1.247.282-2.06.4l-.702.102c-.583.086-1.16.172-1.693.238-.75.093-1.389.145-1.82.113-.592-.044-1.124.341-1.61.843-.453.467-.926 1.1-1.429 1.777l-.144.193c-1.132 1.517-2.452 3.218-4.22 4.101-.214.108-.346.313-.432.528-.087.22-.14.489-.172.78-.064.587-.047 1.325.007 2.083.071 1.01.211 2.102.32 2.956.054.42.1.783.128 1.05.08.78-.128 1.769-.37 2.653-.088.319-.178.616-.258.882-.03.1-.06.195-.086.285a9.67 9.67 0 00-.12.434 1.518 1.518 0 00-.054.334c0 .279.11.577.283.842.175.268.426.52.735.708l.067.04.079-.001c4.133-.068 10.22-.554 10.972-.638a.582.582 0 00.334-.17c.083-.08.157-.182.224-.293.134-.223.264-.524.388-.867.249-.69.495-1.6.72-2.52.162-.654.545-1.41.683-2.01l.784-2.796c.066-.379.198-1.13.272-1.705.146-1.148-.01-2.54.097-3.999.107-1.458.171-2.917.146-4.052a10.13 10.13 0 00-.112-1.438 2.469 2.469 0 00-.131-.495c-.053-.128-.276-.358-.276-.358h-.55zm10.931 12.621s-1.169-.652-1.548-.642c-.757.019-1.298-.026-2.352 0h-5.489l-2.863 8.915c.2.066 1.938.444 2.242.447.62.005 1.478-.08 2.393-.197.88-.113 1.824-.258 2.678-.389l.113-.017a49.753 49.753 0 012.166-.305c.347-.034.996-.024 1.858-.007l.127.003c.827.017 1.819.037 2.869.023 2.198-.029 4.694-.204 6.5-.887 1.42-.538 2.099-.87 2.513-1.34.414-.468.575-1.576.575-1.576s-2.907.868-4.807.784c-.927-.04-1.508.045-2.352-.34-1.429-.652-1.206-2.221-2.43-3.205-.77-.62-2.193-1.267-2.193-1.267z"
     />
     <path
-      className="mapLayersWizardIcon__background"
+      className="mapLayersWizardIcon__backgroundDarker"
       d="M33.322 1.125S31.277 14.3 31.72 14.522c.786.393 2.012.665 3.137 1.67 1.23 1.1 1.172 2.5 2.318 3.24.835.538 6.525-.704 6.525-.704l.228-7.956s-.174-4.5-.89-5.216c-.715-.716-2.488-1.125-3-2.08-1.115-2.08-3.068-2.351-3.068-2.351h-3.648z"
     />
   </svg>
diff --git a/x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_wizard.tsx b/x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_wizard.tsx
index 4567ac01a48c1..78100fe501208 100644
--- a/x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_wizard.tsx
+++ b/x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_boundaries_layer_wizard.tsx
@@ -14,7 +14,7 @@ import { EMSFileSource, sourceTitle } from './ems_file_source';
 import { getEMSSettings } from '../../../kibana_services';
 import { EMSFileSourceDescriptor } from '../../../../common/descriptor_types';
 import { LAYER_WIZARD_CATEGORY } from '../../../../common/constants';
-import { EMSBoundariesLayerIcon } from './ems_boundaries_layer_icon';
+import { EMSBoundariesLayerIcon } from '../../layers/icons/ems_boundaries_layer_icon';
 
 export const emsBoundariesLayerWizardConfig: LayerWizard = {
   categories: [LAYER_WIZARD_CATEGORY.REFERENCE],