diff --git a/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/StabilityLineMarkerProvider.kt b/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/StabilityLineMarkerProvider.kt
index e4447d0..f463d50 100644
--- a/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/StabilityLineMarkerProvider.kt
+++ b/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/StabilityLineMarkerProvider.kt
@@ -76,7 +76,7 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
       return null
     }
 
-    val icon = getIcon(analysis.isSkippable, analysis.isRestartable)
+    val icon = getIcon(analysis)
     val tooltip = buildTooltip(analysis)
 
     return LineMarkerInfo(
@@ -92,11 +92,31 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
 
   /**
    * Gets the appropriate icon based on stability status.
+   *
+   * Colors:
+   * - Green (stable): All parameters are stable, composable is skippable
+   * - Yellow (runtime): All non-stable parameters are RUNTIME (stability decided at runtime)
+   * - Red (unstable): Has at least one UNSTABLE parameter
    */
-  private fun getIcon(isSkippable: Boolean, isRestartable: Boolean): Icon {
+  private fun getIcon(analysis: ComposableStabilityInfo): Icon {
+    val allParams = analysis.parameters + analysis.receivers.map {
+      com.skydoves.compose.stability.runtime.ParameterStabilityInfo(
+        name = it.type,
+        type = it.type,
+        stability = it.stability,
+        reason = null,
+      )
+    }
+
+    val hasUnstable = allParams.any { it.stability == ParameterStability.UNSTABLE }
+    val hasRuntime = allParams.any { it.stability == ParameterStability.RUNTIME }
+    val allStable = allParams.all { it.stability == ParameterStability.STABLE }
+
     val color = when {
-      isSkippable -> Color(settings.stableGutterColorRGB)
-//            isRestartable -> Color(settings.runtimeGutterColorRGB)
+      analysis.isSkippable && allStable -> Color(settings.stableGutterColorRGB)
+      analysis.isSkippable -> Color(settings.stableGutterColorRGB)
+      hasUnstable -> Color(settings.unstableGutterColorRGB)
+      hasRuntime -> Color(settings.runtimeGutterColorRGB)
       else -> Color(settings.unstableGutterColorRGB)
     }
 
@@ -110,6 +130,14 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
     analysis: ComposableStabilityInfo,
   ): String {
     return buildString {
+      val stableCount = analysis.parameters.count { it.stability == ParameterStability.STABLE }
+      val unstableCount = analysis.parameters.count { it.stability == ParameterStability.UNSTABLE }
+      val runtimeCount = analysis.parameters.count { it.stability == ParameterStability.RUNTIME }
+      val totalCount = analysis.parameters.size
+
+      // Check if all non-stable parameters are runtime
+      val isRuntimeOnly = unstableCount == 0 && runtimeCount > 0
+
       append(
         when {
           analysis.isSkippableInStrongSkippingMode ->
@@ -118,6 +146,9 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
           analysis.isSkippable ->
             "✅ Skippable (all parameters are stable)"
 
+          isRuntimeOnly ->
+            "🟡 Runtime Stability (skippability determined at runtime)"
+
           analysis.isRestartable ->
             "⚠️ Restartable (not skippable)"
 
@@ -126,13 +157,27 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
         },
       )
 
-      // Parameter count
-      val unstableCount = analysis.parameters.count { it.stability != ParameterStability.STABLE }
-      val totalCount = analysis.parameters.size
-
+      // Parameter count with breakdown
       if (totalCount > 0) {
         append("\n")
-        append("Parameters: ${totalCount - unstableCount}/$totalCount stable")
+        append("Parameters: $stableCount/$totalCount stable")
+        if (runtimeCount > 0) {
+          append(", $runtimeCount runtime")
+        }
+        if (unstableCount > 0) {
+          append(", $unstableCount unstable")
+        }
+      }
+
+      // List runtime parameters
+      if (runtimeCount > 0) {
+        append("\n")
+        append("Runtime: ")
+        append(
+          analysis.parameters
+            .filter { it.stability == ParameterStability.RUNTIME }
+            .joinToString(", ") { it.name },
+        )
       }
 
       // List unstable parameters
@@ -141,21 +186,29 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
         append("Unstable: ")
         append(
           analysis.parameters
-            .filter { it.stability != ParameterStability.STABLE }
+            .filter { it.stability == ParameterStability.UNSTABLE }
             .joinToString(", ") { it.name },
         )
       }
 
       // Receiver information
+      val stableReceiverCount = analysis.receivers.count {
+        it.stability == ParameterStability.STABLE
+      }
       val unstableReceiverCount = analysis.receivers.count {
-        it.stability != ParameterStability.STABLE
+        it.stability == ParameterStability.UNSTABLE
+      }
+      val runtimeReceiverCount = analysis.receivers.count {
+        it.stability == ParameterStability.RUNTIME
       }
       val totalReceiverCount = analysis.receivers.size
 
       if (totalReceiverCount > 0) {
         append("\n")
-        val stableReceivers = totalReceiverCount - unstableReceiverCount
-        append("Receivers: $stableReceivers/$totalReceiverCount stable")
+        append("Receivers: $stableReceiverCount/$totalReceiverCount stable")
+        if (runtimeReceiverCount > 0) {
+          append(", $runtimeReceiverCount runtime")
+        }
       }
 
       // List unstable receivers
@@ -164,13 +217,22 @@ public class StabilityLineMarkerProvider : LineMarkerProvider {
         append("Unstable receivers: ")
         append(
           analysis.receivers
-            .filter { it.stability != ParameterStability.STABLE }
+            .filter { it.stability == ParameterStability.UNSTABLE }
             .joinToString(", ") {
               "${it.receiverKind.name.lowercase()}: ${it.type}"
             },
         )
       }
 
+      // Runtime stability explanation
+      if (isRuntimeOnly || runtimeCount > 0) {
+        append("\n\n🟡 Runtime Stability:")
+        append("\nStability is determined at runtime based on")
+        append("\nactual parameter values and their implementations.")
+        append("\nSkippability may change between library versions")
+        append("\nor when parameter implementations change.")
+      }
+
       // Additional info for strong skipping mode
       if (analysis.isSkippableInStrongSkippingMode) {
         append("\n\n💡 Strong Skipping Mode: All composables are skippable")
diff --git a/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/settings/StabilitySettingsConfigurable.kt b/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/settings/StabilitySettingsConfigurable.kt
index bdf9565..8a961c8 100644
--- a/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/settings/StabilitySettingsConfigurable.kt
+++ b/compose-stability-analyzer-idea/src/main/kotlin/com/skydoves/compose/stability/idea/settings/StabilitySettingsConfigurable.kt
@@ -129,7 +129,10 @@ public class StabilitySettingsConfigurable(
         row("Runtime color:") {
           runtimeGutterColorPanel = ColorPanel()
           cell(runtimeGutterColorPanel)
-            .comment("Color for runtime-determined stability (currently not used)")
+            .comment(
+              "Color for composables with only runtime parameters. " +
+                "Stability is determined at runtime and may vary between library versions.",
+            )
         }
       }