diff --git a/main/osc_control.c b/main/osc_control.c
--- a/main/osc_control.c
+++ b/main/osc_control.c
@@ -71,8 +71,14 @@ static bool callback(const char *topic, 
 
       case 'f':
       {
+        if(values[i].f > 1.0)
+          values[i].f = 1.0;
+        if(values[i].f < 0.0)
+          values[i].f = 0.0;
+
         snprintf(out+strlen(out), 128-strlen(out), "Value: %f", values[i].f);
         ESP_LOGI(TAG, "==> f: %f", values[i].f);
+        
         if(strcmp(topic, "/led_modifier") == 0)
         {
           ledstrip_set_modifier(values[i].f);
@@ -80,17 +86,17 @@ static bool callback(const char *topic, 
         else if(strcmp(topic, "/led_manual_r") == 0)
         {
           r_man = values[i].f * 255.0;
-          ledstrip_set(r_man, g_man, b_man);
+          ledstrip_set(g_man, r_man, b_man);
         }
         else if(strcmp(topic, "/led_manual_g") == 0)
         {
           g_man = values[i].f * 255.0;
-          ledstrip_set(r_man, g_man, b_man);
+          ledstrip_set(g_man, r_man, b_man);
         }
         else if(strcmp(topic, "/led_manual_b") == 0)
         {
           b_man = values[i].f * 255.0;
-          ledstrip_set(r_man, g_man, b_man);
+          ledstrip_set(g_man, r_man, b_man);
         }
       } break;