diff --git a/README.md b/README.md
index 1f07314..4d8dc1f 100644
--- a/README.md
+++ b/README.md
@@ -159,8 +159,13 @@ way a datapack can. Nothing that makes it worth having is: the material and the
 recipe both live in the Iron's Spells pack, so without that mod the core cannot
 be crafted, is not a material, and grants nothing.
 
-Its texture is the heart of the sea's shape in purple, drawn here, and
-placeholder-grade like the rest of the art.
+Its texture is Minecraft's own heart of the sea with its hue rotated into
+violet - the only art here that is not drawn for this mod, and Mojang's rather
+than ours, which is worth knowing given what the khopesh section above says
+about shipping other people's. Nothing but the hue is touched, so the shading
+is the vanilla item's, including how dark its underside is: the palette the
+material hands out is therefore a deep one with little highlight, which is what
+the item actually looks like rather than what a gem usually does.
 
 ## Stats
 
diff --git a/src/main/resources/assets/cmmodular/textures/items/arcana_core.png b/src/main/resources/assets/cmmodular/textures/items/arcana_core.png
index 28d0382..ee70376 100644
Binary files a/src/main/resources/assets/cmmodular/textures/items/arcana_core.png and b/src/main/resources/assets/cmmodular/textures/items/arcana_core.png differ
diff --git a/src/main/resources/packs/irons_spellbooks/data/cmmodular/miapi/materials/crystal/arcana_core.json b/src/main/resources/packs/irons_spellbooks/data/cmmodular/miapi/materials/crystal/arcana_core.json
index d2eaf30..3b06763 100644
--- a/src/main/resources/packs/irons_spellbooks/data/cmmodular/miapi/materials/crystal/arcana_core.json
+++ b/src/main/resources/packs/irons_spellbooks/data/cmmodular/miapi/materials/crystal/arcana_core.json
@@ -21,17 +21,17 @@
   "mining_level": "minecraft:incorrect_for_netherite_tool",
   "armor_durability": 48,
   "armor_toughness": 3.0,
-  "color": "CD94EF",
+  "color": "711CA9",
   "color_palette": {
     "type": "grayscale_map",
     "colors": {
-      "24": "13061d",
-      "68": "250b38",
-      "107": "250b38",
-      "150": "8637ba",
-      "190": "a95cdb",
-      "216": "cd94ef",
-      "255": "f0dcff"
+      "24": "1c042a",
+      "68": "350851",
+      "107": "4d0458",
+      "150": "500a7b",
+      "190": "7319ba",
+      "216": "711ca9",
+      "255": "711ca9"
     },
     "filler": "interpolate"
   },