diff --git a/mocodo/__init__.py b/mocodo/__init__.py
index 181b5788..c76f3c6d 100644
--- a/mocodo/__init__.py
+++ b/mocodo/__init__.py
@@ -1,7 +1,7 @@
 from pathlib import Path
 from importlib import import_module
 
-__version__ = "4.2.11"
+__version__ = "4.2.12"
 SCRIPT_DIRECTORY = Path(__file__).resolve().parent
 
 
diff --git a/mocodo/resources/colors/dark-desert.json b/mocodo/resources/colors/dark-desert.json
new file mode 100644
index 00000000..22776325
--- /dev/null
+++ b/mocodo/resources/colors/dark-desert.json
@@ -0,0 +1,23 @@
+{
+    "association_attribute_text_color": "#D3B08C",
+    "association_cartouche_color": "#4E3925",
+    "association_cartouche_text_color": "#D3B08C",
+    "association_color": "#624A32",
+    "association_stroke_color": "#C6A664",
+    "background_color": "#2E2B22",
+    "card_text_color": "#D4C2A1",
+    "constraint_background_color": "#4E3925",
+    "constraint_stroke_color": "#C6A664",
+    "constraint_text_color": "#D3B08C",
+    "entity_attribute_text_color": "#E3D5B3",
+    "entity_cartouche_color": "#5F3C14",
+    "entity_cartouche_text_color": "#E3D5B3",
+    "entity_color": "#7C5020",
+    "entity_stroke_color": "#E5A04B",
+    "id_gutter_color": "#7C5020",
+    "id_gutter_text_color": "#E3D5B3",
+    "leg_stroke_color": "#C6A664",
+    "note_color": "#2D271E",
+    "note_opacity": 0.8,
+    "note_text_color": "#D4C49A"
+  }
diff --git a/mocodo/resources/colors/dark-ocean.json b/mocodo/resources/colors/dark-ocean.json
new file mode 100644
index 00000000..b9f21193
--- /dev/null
+++ b/mocodo/resources/colors/dark-ocean.json
@@ -0,0 +1,23 @@
+{
+    "association_attribute_text_color": "#b4c8a1",
+    "association_cartouche_color": "#2d3b22",
+    "association_cartouche_text_color": "#d9e5c3",
+    "association_color": "#3a4a28",
+    "association_stroke_color": "#a6b792",
+    "background_color": "#1a1f1a",
+    "card_text_color": "#b0aabb",
+    "constraint_background_color": "#2d3b22",
+    "constraint_stroke_color": "#a6b792",
+    "constraint_text_color": "#d9e5c3",
+    "entity_attribute_text_color": "#e6e5ea",
+    "entity_cartouche_color": "#1a223a",
+    "entity_cartouche_text_color": "#d9e5c3",
+    "entity_color": "#2a3866",
+    "entity_stroke_color": "#83a5ff",
+    "id_gutter_color": "#2a3866",
+    "id_gutter_text_color": "#e6e5ea",
+    "leg_stroke_color": "#a6b792",
+    "note_color": "#131517",
+    "note_opacity": 0.8,
+    "note_text_color": "#d9e5c3"
+  }
diff --git a/mocodo/resources/colors/dark-pond.json b/mocodo/resources/colors/dark-pond.json
new file mode 100644
index 00000000..4e811627
--- /dev/null
+++ b/mocodo/resources/colors/dark-pond.json
@@ -0,0 +1,23 @@
+{
+    "association_attribute_text_color": "#A7BEC1",
+    "association_cartouche_color": "#31572E",
+    "association_cartouche_text_color": "#A7BEC1",
+    "association_color": "#3F5F4E",
+    "association_stroke_color": "#B4D877",
+    "background_color": "#1A2622",
+    "card_text_color": "#C1D9DC",
+    "constraint_background_color": "#31572E",
+    "constraint_stroke_color": "#B4D877",
+    "constraint_text_color": "#A7BEC1",
+    "entity_attribute_text_color": "#C4F1D8",
+    "entity_cartouche_color": "#295943",
+    "entity_cartouche_text_color": "#C4F1D8",
+    "entity_color": "#387F59",
+    "entity_stroke_color": "#6AD1A0",
+    "id_gutter_color": "#387F59",
+    "id_gutter_text_color": "#C4F1D8",
+    "leg_stroke_color": "#B4D877",
+    "note_color": "#1E3932",
+    "note_opacity": 0.8,
+    "note_text_color": "#C7F7E1"
+  }
diff --git a/mocodo/resources/colors/dark.json b/mocodo/resources/colors/dark.json
new file mode 100644
index 00000000..1ed53a93
--- /dev/null
+++ b/mocodo/resources/colors/dark.json
@@ -0,0 +1,23 @@
+{
+    "association_attribute_text_color": "#FFFFFF",
+    "association_cartouche_color": "#444444",
+    "association_cartouche_text_color": "#FFFFFF",
+    "association_color": "#333333",
+    "association_stroke_color": "#AAAAAA",
+    "background_color": "#222222",
+    "card_text_color": "#FFFFFF",
+    "constraint_background_color": "#444444",
+    "constraint_stroke_color": "#AAAAAA",
+    "constraint_text_color": "#FFFFFF",
+    "entity_attribute_text_color": "#FFFFFF",
+    "entity_cartouche_color": "#444444",
+    "entity_cartouche_text_color": "#FFFFFF",
+    "entity_color": "#333333",
+    "entity_stroke_color": "#AAAAAA",
+    "id_gutter_color": "#444444",
+    "id_gutter_text_color": "#FFFFFF",
+    "leg_stroke_color": "#AAAAAA",
+    "note_color": "#444444",
+    "note_opacity": 0.8,
+    "note_text_color": "#FFFFFF"
+  }
diff --git a/web/mocodo.js b/web/mocodo.js
index ac23eb0e..24803354 100644
--- a/web/mocodo.js
+++ b/web/mocodo.js
@@ -663,7 +663,7 @@ $().ready(function () {
 	});
   editor.renderer.updateFull();
   var default_color = "brewer" + "+-"[Math.floor(Math.random() * 2)] + (Math.floor(Math.random() * 9) + 1);
-  createOptions("colors", ["blank", "bw", "bw-alpha", "desert", "keepsake", "mondrian", "ocean", "pond", "wb", "xinnian", "brewer+1", "brewer-1", "brewer+2", "brewer-2", "brewer+3", "brewer-3", "brewer+4", "brewer-4", "brewer+5", "brewer-5", "brewer+6", "brewer-6", "brewer+7", "brewer-7", "brewer+8", "brewer-8", "brewer+9", "brewer-9"], default_color);
+  createOptions("colors", ["blank", "bw", "bw-alpha", "desert", "dark", "dark-desert", "dark-ocean", "dark-pond", "keepsake", "mondrian", "ocean", "pond", "wb", "xinnian", "brewer+1", "brewer-1", "brewer+2", "brewer-2", "brewer+3", "brewer-3", "brewer+4", "brewer-4", "brewer+5", "brewer-5", "brewer+6", "brewer-6", "brewer+7", "brewer-7", "brewer+8", "brewer-8", "brewer+9", "brewer-9"], default_color);
   createOptions("shapes", ["arial", "copperplate", "georgia", "mondrian", "sans", "serif", "times", "trebuchet", "verdana", "xinnian"], "verdana");
   createCheckboxes(conversions, "conversions");
   createCheckboxes(knowledge, "knowledge");