diff --git a/app/src/main/java/com/pomo/myapplication/MainActivity.kt b/app/src/main/java/com/pomo/myapplication/MainActivity.kt
index 473e75f9bf8c04fda3415edde6728bb1624ac031..ec443c9a394ab04574498ce5fe742dbcc4835c29 100644
--- a/app/src/main/java/com/pomo/myapplication/MainActivity.kt
+++ b/app/src/main/java/com/pomo/myapplication/MainActivity.kt
@@ -168,15 +168,33 @@ class MainActivity : ComponentActivity() {
                 }
 
 
-                Button(onClick = { setTimer(5) }) {
+                Button(
+                    onClick = { setTimer(5) },
+                    colors = ButtonDefaults.buttonColors(
+                        containerColor = Color(0xFFD0BCFF), // Grün
+                        contentColor = Color.White // Weißer Text
+                    )
+                ) {
                     Text(text = "5 min")
                 }
                 Spacer(modifier = Modifier.width(8.dp))
-                Button(onClick = { setTimer(15) }) {
+                Button(
+                    onClick = { setTimer(15) },
+                    colors = ButtonDefaults.buttonColors(
+                        containerColor = Color(0xFF6650a4), // Grün
+                        contentColor = Color.White // Weißer Text
+                    )
+                ) {
                     Text(text = "15 min")
                 }
                 Spacer(modifier = Modifier.width(8.dp))
-                Button(onClick = { setTimer(25) }) {
+                Button(
+                    onClick = { setTimer(25) },
+                    colors = ButtonDefaults.buttonColors(
+                        containerColor = Color(0xFFEF9A9A), // Grün
+                        contentColor = Color.White // Weißer Text
+                    )
+                ) {
                     Text(text = "25 min")
                 }
             }