diff --git a/components/team-review/skill-matrix.tsx b/components/team-review/skill-matrix.tsx
index c67bc9e..22abfc8 100644
--- a/components/team-review/skill-matrix.tsx
+++ b/components/team-review/skill-matrix.tsx
@@ -39,8 +39,8 @@ export function SkillMatrix({ members, skillGaps }: SkillMatrixProps) {
       importanceOrder[b.importance] - importanceOrder[a.importance];
     if (importanceDiff !== 0) return importanceDiff;
 
-    // Si même importance, trier par couverture (décroissant)
-    return (b.coverage || 0) - (a.coverage || 0);
+    // Si même importance, trier par couverture (ascendant)
+    return (a.coverage || 0) - (b.coverage || 0);
   };
 
   const skillsByCategory = validSkillGaps.reduce((acc, skill) => {
@@ -224,12 +224,11 @@ export function SkillMatrix({ members, skillGaps }: SkillMatrixProps) {
                             <div className="w-full bg-white/10 rounded-full h-2">
                               <div
                                 className={`h-2 rounded-full ${
-                                  isCoverageBelowObjective(
-                                    skill.coverage || 0,
-                                    skill.importance
-                                  )
-                                    ? "bg-red-500/50"
-                                    : colors.bg.replace("/20", "/50")
+                                  (skill.coverage || 0) >= 75
+                                    ? "bg-green-500/50"
+                                    : (skill.coverage || 0) >= 50
+                                    ? "bg-yellow-500/50"
+                                    : "bg-red-500/50"
                                 }`}
                                 style={{
                                   width: `${Math.max(
@@ -241,12 +240,11 @@ export function SkillMatrix({ members, skillGaps }: SkillMatrixProps) {
                             </div>
                             <span
                               className={`text-sm whitespace-nowrap ${
-                                isCoverageBelowObjective(
-                                  skill.coverage || 0,
-                                  skill.importance
-                                )
-                                  ? "text-red-400"
-                                  : colors.text
+                                (skill.coverage || 0) >= 75
+                                  ? "text-green-400"
+                                  : (skill.coverage || 0) >= 50
+                                  ? "text-yellow-400"
+                                  : "text-red-400"
                               }`}
                             >
                               {Math.round(skill.coverage || 0)}%
@@ -354,12 +352,11 @@ export function SkillMatrix({ members, skillGaps }: SkillMatrixProps) {
                               <div className="w-full bg-white/10 rounded-full h-2">
                                 <div
                                   className={`h-2 rounded-full ${
-                                    isCoverageBelowObjective(
-                                      skill.coverage || 0,
-                                      skill.importance
-                                    )
-                                      ? "bg-red-500/50"
-                                      : colors.bg.replace("/20", "/50")
+                                    (skill.coverage || 0) >= 75
+                                      ? "bg-green-500/50"
+                                      : (skill.coverage || 0) >= 50
+                                      ? "bg-yellow-500/50"
+                                      : "bg-red-500/50"
                                   }`}
                                   style={{
                                     width: `${Math.max(
@@ -371,12 +368,11 @@ export function SkillMatrix({ members, skillGaps }: SkillMatrixProps) {
                               </div>
                               <span
                                 className={`text-sm whitespace-nowrap ${
-                                  isCoverageBelowObjective(
-                                    skill.coverage || 0,
-                                    skill.importance
-                                  )
-                                    ? "text-red-400"
-                                    : colors.text
+                                  (skill.coverage || 0) >= 75
+                                    ? "text-green-400"
+                                    : (skill.coverage || 0) >= 50
+                                    ? "text-yellow-400"
+                                    : "text-red-400"
                                 }`}
                               >
                                 {Math.round(skill.coverage || 0)}%
diff --git a/services/team-review-service.ts b/services/team-review-service.ts
index abc9d7a..08a624e 100644
--- a/services/team-review-service.ts
+++ b/services/team-review-service.ts
@@ -158,13 +158,16 @@ export class TeamReviewService {
         );
         const coverage = calculateSkillCoverage(levels, totalTeamMembers);
 
-        // Déterminer le niveau de risque en fonction de l'importance
+        // Déterminer le niveau de risque en fonction de l'importance et de la couverture
+        const coverageObjective = COVERAGE_OBJECTIVES[skill.importance];
         const risk =
-          skill.importance === "incontournable" && experts === 0
+          skill.importance === "incontournable" && coverage < coverageObjective
             ? "high"
-            : skill.importance === "majeure" && experts === 0 && mentors === 0
+            : skill.importance === "majeure" &&
+              coverage < coverageObjective &&
+              experts === 0
             ? "high"
-            : experts === 0 && mentors === 0
+            : coverage < coverageObjective
             ? "medium"
             : "low";