diff --git a/frontend/js/pkCore.js b/frontend/js/pkCore.js
index e598e03..347e239 100644
--- a/frontend/js/pkCore.js
+++ b/frontend/js/pkCore.js
@@ -44,26 +44,26 @@ export const CLINICAL_THRESHOLDS = {
     maxScale: 500,
     defaultConcentration: 5,
     zones: [
-      { zoneKey: "inactive", min: 0, max: 10, color: "rgba(249, 252, 126, 0.4)", textHex: "#8a8d00" },
-      { zoneKey: "anti_hyperalgesic", min: 10, max: 50, color: "rgba(218, 247, 166, 0.4)", textHex: "#417505" },
-      { zoneKey: "analgesia", min: 50, max: 150, color: "rgba(255, 195, 0, 0.4)", textHex: "#b78100" },
-      { zoneKey: "psychedelic", min: 150, max: 350, color: "rgba(242, 160, 223, 0.4)", textHex: "#a2137f" },
-      { zoneKey: "emergence", min: 350, max: 500, color: "rgba(89, 196, 240, 0.4)", textHex: "#0c6796" },
-      { zoneKey: "narcosis", min: 500, max: 1000, color: "rgba(43, 122, 244, 0.4)", textHex: "#0a3c8a" },
-      { zoneKey: "excessive", min: 1000, max: Infinity, color: "rgba(255, 87, 51, 0.4)", textHex: "#a81300" }
+      { zoneKey: "inactive", min: 0, max: 10, color: "rgba(249, 252, 126, 0.25)", textHex: "#fef9c3" },
+      { zoneKey: "anti_hyperalgesic", min: 10, max: 50, color: "rgba(218, 247, 166, 0.25)", textHex: "#d9f99d" },
+      { zoneKey: "analgesia", min: 50, max: 150, color: "rgba(255, 195, 0, 0.25)", textHex: "#fef08a" },
+      { zoneKey: "psychedelic", min: 150, max: 350, color: "rgba(242, 160, 223, 0.25)", textHex: "#fbcfe8" },
+      { zoneKey: "emergence", min: 350, max: 500, color: "rgba(89, 196, 240, 0.25)", textHex: "#bae6fd" },
+      { zoneKey: "narcosis", min: 500, max: 1000, color: "rgba(43, 122, 244, 0.25)", textHex: "#ffffff" },
+      { zoneKey: "excessive", min: 1000, max: Infinity, color: "rgba(255, 87, 51, 0.25)", textHex: "#fecaca" }
     ]
   },
   [MODES.RACEMIQUE]: {
     maxScale: 1000,
     defaultConcentration: 10,
     zones: [
-      { zoneKey: "inactive", min: 0, max: 20, color: "rgba(249, 252, 126, 0.4)", textHex: "#8a8d00" },
-      { zoneKey: "anti_hyperalgesic", min: 20, max: 100, color: "rgba(218, 247, 166, 0.4)", textHex: "#417505" },
-      { zoneKey: "analgesia", min: 100, max: 300, color: "rgba(255, 195, 0, 0.4)", textHex: "#b78100" },
-      { zoneKey: "psychedelic", min: 300, max: 700, color: "rgba(242, 160, 223, 0.4)", textHex: "#a2137f" },
-      { zoneKey: "emergence", min: 700, max: 1000, color: "rgba(89, 196, 240, 0.4)", textHex: "#0c6796" },
-      { zoneKey: "narcosis", min: 1000, max: 2000, color: "rgba(43, 122, 244, 0.4)", textHex: "#0a3c8a" },
-      { zoneKey: "excessive", min: 2000, max: Infinity, color: "rgba(255, 87, 51, 0.4)", textHex: "#a81300" }
+      { zoneKey: "inactive", min: 0, max: 20, color: "rgba(249, 252, 126, 0.25)", textHex: "#fef9c3" },
+      { zoneKey: "anti_hyperalgesic", min: 20, max: 100, color: "rgba(218, 247, 166, 0.25)", textHex: "#d9f99d" },
+      { zoneKey: "analgesia", min: 100, max: 300, color: "rgba(255, 195, 0, 0.25)", textHex: "#fef08a" },
+      { zoneKey: "psychedelic", min: 300, max: 700, color: "rgba(242, 160, 223, 0.25)", textHex: "#fbcfe8" },
+      { zoneKey: "emergence", min: 700, max: 1000, color: "rgba(89, 196, 240, 0.25)", textHex: "#bae6fd" },
+      { zoneKey: "narcosis", min: 1000, max: 2000, color: "rgba(43, 122, 244, 0.25)", textHex: "#ffffff" },
+      { zoneKey: "excessive", min: 2000, max: Infinity, color: "rgba(255, 87, 51, 0.25)", textHex: "#fecaca" }
     ]
   }
 };