Increase offset for high glucose, so in-range glucose is green-ish for longer

FreeAPS/Sources/Helpers/DynamicGlucoseColor.swift

@@ -13,7 +13,7 @@ public func getDynamicGlucoseColor(
 ) -> Color {
     // Convert Decimal to Int for high and low glucose values
     let lowGlucose = lowGlucoseColorValue - offset
-    let highGlucose = highGlucoseColorValue + offset
+    let highGlucose = highGlucoseColorValue + (offset * 1.75)
     let targetGlucose = targetGlucose
 
     // Only use calculateHueBasedGlucoseColor if the setting is enabled in preferences

FreeAPS/Sources/Modules/Home/View/Chart/MainChartView.swift

@@ -1229,8 +1229,8 @@ extension MainChartView {
         // Ensure maxForecast is not more than 100 over maxGlucose
         let adjustedMaxForecast = min(maxForecast, maxGlucose + 100)
 
-        var minOverall = min(minGlucose, minForecast)
-        var maxOverall = max(maxGlucose, adjustedMaxForecast)
+        let minOverall = min(minGlucose, minForecast)
+        let maxOverall = max(maxGlucose, adjustedMaxForecast)
 
         minValue = minOverall - 50
         maxValue = maxOverall + 80