diff --git a/packages/core-service/src/core/expert-profile/profile-export.service.ts b/packages/core-service/src/core/expert-profile/profile-export.service.ts
index 8e3584c..a2589b9 100644
--- a/packages/core-service/src/core/expert-profile/profile-export.service.ts
+++ b/packages/core-service/src/core/expert-profile/profile-export.service.ts
@@ -218,6 +218,13 @@ export class ProfileExportService {
         }
       }
     } catch { /* Einstellungen nicht verfügbar */ }
+
+    // Akzentfarbe dynamisch aus Logo extrahieren
+    if (platformLogo) {
+      const extracted = await this.extractDominantColor(platformLogo);
+      if (extracted) accentColor = extracted;
+    }
+
     const fullName = `${data.firstName} ${data.lastName}`;
     const { firstName, lastName } = data;
 
@@ -953,4 +960,45 @@ export class ProfileExportService {
     const base64Data = dataUrl.includes(',') ? dataUrl.split(',')[1] : dataUrl;
     return Buffer.from(base64Data, 'base64');
   }
+
+  /**
+   * Extrahiert die dominante Akzentfarbe aus einem Logo-Bild.
+   * Strategie: 20x20 Pixel resizen, transparenten Alpha gegen Weiss flatten,
+   * dann alle "bunten" Pixel (nicht weiss/schwarz/grau) mitteln.
+   * Gibt null zurück wenn keine ausreichend gesättigte Farbe gefunden wird.
+   */
+  private async extractDominantColor(imageBuffer: Buffer): Promise<string | null> {
+    try {
+      const { data, info } = await sharp(imageBuffer)
+        .resize(20, 20, { fit: 'fill' })
+        .flatten({ background: { r: 255, g: 255, b: 255 } })
+        .raw()
+        .toBuffer({ resolveWithObject: true });
+
+      let rSum = 0, gSum = 0, bSum = 0, count = 0;
+      for (let i = 0; i < info.width * info.height; i++) {
+        const r = data[i * 3]!;
+        const g = data[i * 3 + 1]!;
+        const b = data[i * 3 + 2]!;
+        const avg = (r + g + b) / 3;
+        const range = Math.max(r, g, b) - Math.min(r, g, b);
+        // Nur gesättigte Pixel: nicht zu hell, nicht zu dunkel, genug Farbabstand
+        if (avg > 25 && avg < 225 && range > 35) {
+          rSum += r;
+          gSum += g;
+          bSum += b;
+          count++;
+        }
+      }
+
+      if (count === 0) return null;
+
+      const r = Math.round(rSum / count);
+      const g = Math.round(gSum / count);
+      const b = Math.round(bSum / count);
+      return `#${r.toString(16).padStart(2, '0')}${g.toString(16).padStart(2, '0')}${b.toString(16).padStart(2, '0')}`;
+    } catch {
+      return null;
+    }
+  }
 }