diff --git a/core/src/io/anuke/mindustry/content/Blocks.java b/core/src/io/anuke/mindustry/content/Blocks.java
index 3fa044e97b..a82e73a7a5 100644
--- a/core/src/io/anuke/mindustry/content/Blocks.java
+++ b/core/src/io/anuke/mindustry/content/Blocks.java
@@ -742,8 +742,8 @@ public class Blocks implements ContentList{
             //disabled until implemented properly
             requirements(Category.effect, BuildVisibility.lightingOnly, ItemStack.with(Items.graphite, 5));
             color = Color.valueOf("7d93ff");
-            brightness = 0.6f;
-            radius = 80f;
+            brightness = 0.67f;
+            radius = 120f;
             consumes.power(0.05f);
         }};
 
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/ColorPicker.java b/core/src/io/anuke/mindustry/ui/dialogs/ColorPicker.java
index 926a45a7c3..03454d76e5 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/ColorPicker.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/ColorPicker.java
@@ -12,16 +12,17 @@ public class ColorPicker extends FloatingDialog{
 
     public ColorPicker(){
         super("$pickcolor");
-        shown(this::setup);
     }
 
     public void show(Color color, Cons<Color> consumer){
+        show(color, true, consumer);
+    }
+
+    public void show(Color color, boolean alpha, Cons<Color> consumer){
         this.current.set(color);
         this.cons = consumer;
         show();
-    }
 
-    void setup(){
         cont.clear();
         cont.pane(t -> {
             t.table(Tex.pane, i -> {
@@ -45,13 +46,13 @@ public class ColorPicker extends FloatingDialog{
             t.add("B").color(Color.royal);
             t.addSlider(0f, 1f, 0.01f, current.b, current::b).width(w);
             t.row();
-            t.add("A");
-            t.addSlider(0f, 1f, 0.01f, current.a, current::a).width(w);
-            t.row();
+            if(alpha){
+                t.add("A");
+                t.addSlider(0f, 1f, 0.01f, current.a, current::a).width(w);
+                t.row();
+            }
         });
 
-
-
         buttons.clear();
         addCloseButton();
         buttons.addImageTextButton("$ok", Icon.checkSmall, () -> {
diff --git a/core/src/io/anuke/mindustry/world/blocks/logic/MessageBlock.java b/core/src/io/anuke/mindustry/world/blocks/logic/MessageBlock.java
index da13ab499f..9b773c6356 100644
--- a/core/src/io/anuke/mindustry/world/blocks/logic/MessageBlock.java
+++ b/core/src/io/anuke/mindustry/world/blocks/logic/MessageBlock.java
@@ -98,7 +98,7 @@ public class MessageBlock extends Block{
     public void buildTable(Tile tile, Table table){
         MessageBlockEntity entity = tile.entity();
 
-        table.addImageButton(io.anuke.mindustry.gen.Icon.pencilSmall, () -> {
+        table.addImageButton(Icon.pencilSmall, () -> {
             if(mobile){
                 Core.input.getTextInput(new TextInput(){{
                     text = entity.message;
diff --git a/core/src/io/anuke/mindustry/world/blocks/power/LightBlock.java b/core/src/io/anuke/mindustry/world/blocks/power/LightBlock.java
index 02fc2227b1..a85fdf937b 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/LightBlock.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/LightBlock.java
@@ -2,14 +2,21 @@ package io.anuke.mindustry.world.blocks.power;
 
 import io.anuke.arc.graphics.*;
 import io.anuke.arc.graphics.g2d.*;
+import io.anuke.arc.scene.ui.layout.*;
+import io.anuke.arc.util.*;
 import io.anuke.mindustry.entities.type.*;
+import io.anuke.mindustry.gen.*;
+import io.anuke.mindustry.graphics.*;
 import io.anuke.mindustry.world.*;
 
-import static io.anuke.mindustry.Vars.renderer;
+import java.io.*;
+
+import static io.anuke.mindustry.Vars.*;
 
 public class LightBlock extends Block{
-    protected Color color = Color.royal;
-    protected float brightness = 0.5f;
+    private static int lastColor = 0;
+
+    protected float brightness = 0.9f;
     protected float radius = 200f;
     protected int topRegion;
 
@@ -22,16 +29,38 @@ public class LightBlock extends Block{
         entityType = LightEntity::new;
     }
 
+    @Override
+    public void playerPlaced(Tile tile){
+        if(lastColor != 0){
+            tile.configure(lastColor);
+        }
+    }
+
     @Override
     public void draw(Tile tile){
         super.draw(tile);
+        LightEntity entity = tile.entity();
+
         Draw.blend(Blending.additive);
-        Draw.color(color, tile.entity.efficiency() * 0.3f);
+        Draw.color(Tmp.c1.set(entity.color), entity.efficiency() * 0.3f);
         Draw.rect(reg(topRegion), tile.drawx(), tile.drawy());
         Draw.color();
         Draw.blend();
     }
 
+    @Override
+    public void buildTable(Tile tile, Table table){
+        LightEntity entity = tile.entity();
+
+        table.addImageButton(Icon.pencilSmall, () -> {
+            ui.picker.show(Tmp.c1.set(entity.color).a(0.5f), false, res -> {
+                entity.color = res.rgba();
+                lastColor = entity.color;
+            });
+            control.input.frag.config.hideConfig();
+        }).size(40f);
+    }
+
     @Override
     public void configured(Tile tile, Player player, int value){
         tile.<LightEntity>entity().color = value;
@@ -39,10 +68,23 @@ public class LightBlock extends Block{
 
     @Override
     public void drawLight(Tile tile){
-        renderer.lights.add(tile.drawx(), tile.drawy(), radius, color, brightness * tile.entity.efficiency());
+        LightEntity entity = tile.entity();
+        renderer.lights.add(tile.drawx(), tile.drawy(), radius, Tmp.c1.set(entity.color), brightness * tile.entity.efficiency());
     }
 
     public class LightEntity extends TileEntity{
-        public int color;
+        public int color = Pal.accent.rgba();
+
+        @Override
+        public void write(DataOutput stream) throws IOException{
+            super.write(stream);
+            stream.writeInt(color);
+        }
+
+        @Override
+        public void read(DataInput stream, byte revision) throws IOException{
+            super.read(stream, revision);
+            color = stream.readInt();
+        }
     }
 }