diff --git a/src/app/tools/tankopedia/[id]/components/Model/components/Options.tsx b/src/app/tools/tankopedia/[id]/components/Model/components/Options.tsx
index b0a77603f..58b958fe8 100644
--- a/src/app/tools/tankopedia/[id]/components/Model/components/Options.tsx
+++ b/src/app/tools/tankopedia/[id]/components/Model/components/Options.tsx
@@ -16,6 +16,9 @@ interface OptionsProps {
 
 export function Options({ isFullScreen, canvas }: OptionsProps) {
   const showGrid = useTankopedia((state) => state.model.visual.showGrid);
+  const greenPenetration = useTankopedia(
+    (state) => state.model.visual.greenPenetration,
+  );
 
   return (
     <Flex
@@ -44,6 +47,17 @@ export function Options({ isFullScreen, canvas }: OptionsProps) {
           >
             Show grid
           </DropdownMenu.CheckboxItem>
+
+          <DropdownMenu.CheckboxItem
+            checked={greenPenetration}
+            onCheckedChange={(checked) => {
+              mutateTankopedia((draft) => {
+                draft.model.visual.greenPenetration = checked;
+              });
+            }}
+          >
+            Greene penetration
+          </DropdownMenu.CheckboxItem>
         </DropdownMenu.Content>
       </DropdownMenu.Root>
 
diff --git a/src/components/ArmorMesh/components/Armor/index.tsx b/src/components/ArmorMesh/components/Armor/index.tsx
index f3c702784..d5b296a2b 100644
--- a/src/components/ArmorMesh/components/Armor/index.tsx
+++ b/src/components/ArmorMesh/components/Armor/index.tsx
@@ -7,6 +7,7 @@ import { Duel } from '../../../../app/tools/tankopedia/[id]/page';
 import { canSplash } from '../../../../core/blitz/canSplash';
 import { isExplosive } from '../../../../core/blitz/isExplosive';
 import { resolveNearPenetration } from '../../../../core/blitz/resolveNearPenetration';
+import { useTankopedia } from '../../../../stores/tankopedia';
 import { externalModuleMaskRenderTarget } from '../ExternalModuleMask';
 import { spacedArmorDepthRenderTarget } from '../SpacedArmorDepth';
 import fragmentShader from './shaders/fragment.glsl';
@@ -28,6 +29,9 @@ export function ArmorMesh({
   duel,
   ...props
 }: ArmorMeshProps) {
+  const greenPenetration = useTankopedia(
+    (state) => state.model.visual.greenPenetration,
+  );
   const camera = useThree((state) => state.camera);
   const { shell } = duel.antagonist;
   const material = useRef<ShaderMaterial>(null);
@@ -73,6 +77,7 @@ export function ArmorMesh({
             projectionMatrixInverse: { value: null },
             zNear: { value: camera.near },
             zFar: { value: camera.far },
+            greenPenetration: { value: greenPenetration },
             maxExternalModuleThickness: { value: maxExternalModuleThickness },
             maxSpacedArmorThickness: { value: maxSpacedArmorThickness },
             isExplosive: { value: isExplosive(shell.type) },
diff --git a/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl b/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl
index 1e37a1be2..cfa1111dc 100644
--- a/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl
+++ b/src/components/ArmorMesh/components/Armor/shaders/fragment.glsl
@@ -14,6 +14,7 @@ uniform vec2 resolution;
 varying mat4 vProjectionMatrix;
 uniform float maxExternalModuleThickness;
 uniform float maxSpacedArmorThickness;
+uniform bool greenPenetration;
 
 float depthToDistance(float depth) {
   mat4 projectionMatrixInverse = inverse(vProjectionMatrix);
@@ -101,5 +102,10 @@ void main() {
     }
   }
 
-  csm_FragColor = vec4(1.0, splashChance * 0.392, 0.0, (1.0 - penetrationChance) * 0.5);
+  vec3 color = vec3(1.0, splashChance * 0.392, 0.0);
+  if (greenPenetration) {
+    csm_FragColor = vec4(mix(color, vec3(0.0, 1.0, 0.0), penetrationChance), 0.5);
+  } else {
+    csm_FragColor = vec4(color, (1.0 - penetrationChance) * 0.5);
+  }
 }
\ No newline at end of file
diff --git a/src/stores/tankopedia.ts b/src/stores/tankopedia.ts
index 4d8603f42..ce3bbcbca 100644
--- a/src/stores/tankopedia.ts
+++ b/src/stores/tankopedia.ts
@@ -40,6 +40,7 @@ interface Tankopedia {
     visual: {
       controlsEnabled: boolean;
       showGrid: boolean;
+      greenPenetration: boolean;
     };
   };
   mode: TankopediaMode;
@@ -66,6 +67,7 @@ export const useTankopedia = create<Tankopedia>()(
       visual: {
         controlsEnabled: true,
         showGrid: true,
+        greenPenetration: false,
       },
     },
     areTanksAssigned: false,