diff --git a/assets/js/app.js b/assets/js/app.js
index dca39f6..7672563 100644
--- a/assets/js/app.js
+++ b/assets/js/app.js
@@ -388,7 +388,7 @@ export function UTCIForecast() {
     [ 40, [185,  30,  30]],
     [ 50, [130,   0,  20]],
   ];
-  const airTempRgb = (t) => {
+  const airTempRgb = (t, whiteMix = 0.58) => {
     if (t == null) return null;
     const clamp = (v, lo, hi) => Math.max(lo, Math.min(hi, v));
     let i = TEMP_STOPS.findIndex(s => t < s[0]);
@@ -402,8 +402,9 @@ export function UTCIForecast() {
           const lerp = (a, b) => Math.round(a + (b - a) * x);
           return [lerp(c0[0],c1[0]), lerp(c0[1],c1[1]), lerp(c0[2],c1[2])];
         })();
-    return raw.map(c => Math.min(255, Math.round(c + (255 - c) * 0.66)));
+    return raw.map(c => Math.min(255, Math.round(c + (255 - c) * whiteMix)));
   };
+  const airTempRgbStrong = (t) => airTempRgb(t, 0.42);
 
   // ─── 3b. PANEL COMPUTATIONS ──────────────────────────────────────────
   // Derived from currentRow and the active day - no side effects.
@@ -1137,8 +1138,16 @@ export function UTCIForecast() {
                     <defs>
                       <linearGradient id="fsc-grad" x1="0" y1="0" x2="1" y2="0" gradientUnits="objectBoundingBox">
                         ${fscSrc.map((r, j) => {
-                          const fc = utciCategory(getT(r));
-                          return html`<stop key=${j} offset=${`${((j + 0.5) / fscSrc.length * 100).toFixed(1)}%`} stop-color=${fc.bg} />`;
+                          const rgb = airTempRgb(getT(r)) || [200, 200, 200];
+                          const fc = `rgb(${rgb[0]},${rgb[1]},${rgb[2]})`;
+                          return html`<stop key=${j} offset=${`${((j + 0.5) / fscSrc.length * 100).toFixed(1)}%`} stop-color=${fc} />`;
+                        })}
+                      </linearGradient>
+                      <linearGradient id="fsc-grad-strong" x1="0" y1="0" x2="1" y2="0" gradientUnits="objectBoundingBox">
+                        ${fscSrc.map((r, j) => {
+                          const rgb = airTempRgbStrong(getT(r)) || [200, 200, 200];
+                          const fc = `rgb(${rgb[0]},${rgb[1]},${rgb[2]})`;
+                          return html`<stop key=${`s${j}`} offset=${`${((j + 0.5) / fscSrc.length * 100).toFixed(1)}%`} stop-color=${fc} />`;
                         })}
                       </linearGradient>
                     </defs>
@@ -1162,6 +1171,7 @@ export function UTCIForecast() {
                       `;
                     })}
                     <path d=${fscFill} fill="url(#fsc-grad)" opacity="0.45" />
+                    <path d=${fscFill} fill="none" stroke="url(#fsc-grad-strong)" stroke-width="2" stroke-linejoin="round" stroke-linecap="round" vector-effect="non-scaling-stroke" />
                   </svg>
                 `;
               })()}
@@ -1727,4 +1737,4 @@ export function UTCIForecast() {
       </footer>
       </main>
     </div>`;
-}
\ No newline at end of file
+}
diff --git a/data/tracking.json b/data/tracking.json
index 26e36cd..38e0d18 100644
--- a/data/tracking.json
+++ b/data/tracking.json
@@ -62,5 +62,11 @@
             "alltemps": 2,
             "showall": 1
         }
+    },
+    "2026-06-16": {
+        "visits": 7,
+        "profiles": {
+            "vehicle": 1
+        }
     }
 }
\ No newline at end of file