diff --git a/src/main.rs b/src/main.rs
index 1e56068..9eeca6d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,7 +16,7 @@ use std::sync::Arc;
 use redis_ctrl::{RedisCtrl, Order};
 use conf::Conf;
 use errors::LJResult;
-use point::Point;
+use point::{Point,Color};
 use transformer::Transformers;
 use log::{LevelFilter, info, /* warn, */ error};
 use env_logger::Builder;
@@ -87,9 +87,10 @@ fn run_all() -> LJResult<()> {
 		// 6 : Max Intensity Change     = reread redis key /intensity
 		// 7 : kpps change              = reread redis key /kpps
 		// 8 : color balance change     = reread redis keys /red /green /blue
-
 		match order {
-			Order::Draw => {
+		    Order::Draw | Order::Black => {
+			world_state.black = order == Order::Black;
+			
 				let frame = get_next_frame(
 					&config,
 					&transformers,
@@ -103,8 +104,6 @@ fn run_all() -> LJResult<()> {
 			    world_state.intensity = rs.get_int("intensity")?
 				.try_into()?;
 		        },
-		        Order::Black => {
-		        },		    
 			Order::Edh => {
 				world_state.edh = rs.get_edh()?;
 			},
@@ -157,6 +156,27 @@ fn get_next_frame(
     for transformer in transformers {
 	line = transformer.apply(&line, world_state);
     }
+
+    info!("-> {}", world_state.black);
+    
+    // LIMITER and BLACK
+    line = line.into_iter()
+	.map(| p | {
+	    
+	    let color = if world_state.black {
+		Color { r: 0, g: 0, b: 0 }
+	    } else {
+		Color {
+		    r: p.color.r.min(world_state.intensity),
+		    g: p.color.g.min(world_state.intensity),
+		    b: p.color.b.min(world_state.intensity)
+		}
+	    };
+	    Point { color,
+		    ..p
+	    }
+	})
+	.collect();
     
     //info!("Line: {:?}", line);
     Ok(line)
diff --git a/src/point.rs b/src/point.rs
index 5eb6d42..21c65c8 100644
--- a/src/point.rs
+++ b/src/point.rs
@@ -7,9 +7,9 @@ pub struct Point {
 
 #[derive(Debug,Clone,Copy,Default,PartialEq)]
 pub struct Color {
-    r: u8,
-    g: u8,
-    b: u8
+    pub r: u8,
+    pub g: u8,
+    pub b: u8
 }
 
 impl From<(f32,f32,u32)> for Point {
diff --git a/src/worldstate.rs b/src/worldstate.rs
index c097247..24bb22a 100644
--- a/src/worldstate.rs
+++ b/src/worldstate.rs
@@ -43,7 +43,8 @@ pub struct WorldState {
 	pub client_key: String, //u8,
 	pub intensity: u8,
 	pub kpps: u32,
-	pub color: Color
+        pub color: Color,
+        pub black: bool
 }
 
 impl WorldState {