Index: src/wp-admin/css/colors/ectoplasm/colors.scss
===================================================================
--- src/wp-admin/css/colors/ectoplasm/colors.scss	(revision 0)
+++ src/wp-admin/css/colors/ectoplasm/colors.scss	(working copy)
@@ -0,0 +1,9 @@
+$base-color: #523f6d;
+$icon-color: #ece6f6;
+$highlight-color: #a3b745;
+$notification-color: #d46f15;
+
+$form-checked: $base-color;
+
+@import "../../colors.css";
+@import "../_admin.scss";
Index: src/wp-admin/css/colors/seaweed/colors.scss
===================================================================
--- src/wp-admin/css/colors/seaweed/colors.scss	(revision 0)
+++ src/wp-admin/css/colors/seaweed/colors.scss	(working copy)
@@ -0,0 +1,9 @@
+$base-color: #15757a;
+$icon-color: #e1f9fa;
+$highlight-color: #a8c274;
+$notification-color: #e78229;
+
+$form-checked: $base-color;
+
+@import "../../colors.css";
+@import "../_admin.scss";
Index: src/wp-includes/general-template.php
===================================================================
--- src/wp-includes/general-template.php	(revision 26750)
+++ src/wp-includes/general-template.php	(working copy)
@@ -2142,6 +2142,18 @@
 		array( '#25282b', '#363b3f', '#69a8bb', '#e14d43' ),
 		array( 'base' => '#f1f2f3', 'focus' => '#fff', 'current' => '#fff' )
 	);
+
+	wp_admin_css_color( 'seaweed', _x( 'Seaweed', 'admin color scheme' ),
+		admin_url( 'css/colors/seaweed/colors.min.css' ),
+		array( '#10585C', '#15757a', '#a8c274', '#e78229' ),
+		array( 'base' => '#e1f9fa', 'focus' => '#fff', 'current' => '#fff' )
+	);
+
+	wp_admin_css_color( 'ectoplasm', _x( 'Ectoplasm', 'admin color scheme' ),
+		admin_url( 'css/colors/ectoplasm/colors.min.css' ),
+		array( '#413256', '#523f6d', '#a3b745', '#d46f15' ),
+		array( 'base' => '#ece6f6', 'focus' => '#fff', 'current' => '#fff' )
+	);
 }
 
 /**