diff --git a/src/components/FlowMap.tsx b/src/components/FlowMap.tsx
index e78ae65..29e5289 100644
--- a/src/components/FlowMap.tsx
+++ b/src/components/FlowMap.tsx
@@ -17,7 +17,7 @@ function lerpColor(hex1: string, hex2: string, t: number): string {
 }
 
 const COLOR_NEUTRAL = '#d4a843'; // or Ğ1
-const COLOR_NEG     = '#ff6d00'; // orange vif
+const COLOR_NEG     = '#e53935'; // rouge vif
 const COLOR_POS     = '#00c853'; // vert vif
 const NEUTRAL_THRESHOLD = 0.05; // ±5 % → couleur neutre
 const CLUSTER_RADIUS    = 38;   // pixels — distance max pour regrouper deux villes