diff --git a/iris-ce/config.h b/iris-ce/config.h
index 798ff3f..99f5be4 100644
--- a/iris-ce/config.h
+++ b/iris-ce/config.h
@@ -1,3 +1,7 @@
 #define TAPPING_TERM 150
 // #define PERMISSIVE_HOLD
 #define HOLD_ON_OTHER_KEY_PRESS
+#define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_RAINBOW_MOOD+1
+
+#define SPLIT_LAYER_STATE_ENABLE
+#define SPLIT_LED_STATE_ENABLE
diff --git a/iris-ce/flake.nix b/iris-ce/flake.nix
index b476f7d..7bae314 100644
--- a/iris-ce/flake.nix
+++ b/iris-ce/flake.nix
@@ -32,6 +32,7 @@
       nil,
       alejandra,
       udisks2,
+      clang,
       qmk,
     }: {
       qmk = mkShell {
@@ -40,6 +41,7 @@
           alejandra
           udisks2
           qmk
+          clang
         ];
         # inherit (self.outputs.checks.${system}.pre-commit-check) shellHook;
 
diff --git a/iris-ce/flash.bash b/iris-ce/flash.bash
index 9278b87..5cb1578 100755
--- a/iris-ce/flash.bash
+++ b/iris-ce/flash.bash
@@ -3,9 +3,9 @@
 # TODO: cd dirname $0
 cd "$(dirname "$0")" || exit 1
 
-cp ./config.h ~/qmk_firmware/keyboards/keebio/iris_ce/keymaps/lytedev
-cp ./rules.mk ~/qmk_firmware/keyboards/keebio/iris_ce/keymaps/lytedev
-cp ./keymap.c ~/qmk_firmware/keyboards/keebio/iris_ce/keymaps/lytedev
+rsync -hvrPt ./config.h ~/qmk_firmware/keyboards/keebio/iris_ce/keymaps/lytedev
+rsync -hvrPt ./rules.mk ~/qmk_firmware/keyboards/keebio/iris_ce/keymaps/lytedev
+rsync -hvrPt ./keymap.c ~/qmk_firmware/keyboards/keebio/iris_ce/keymaps/lytedev
 
 (
   while true; do
diff --git a/iris-ce/keymap.c b/iris-ce/keymap.c
index ac04b81..037b843 100644
--- a/iris-ce/keymap.c
+++ b/iris-ce/keymap.c
@@ -78,35 +78,34 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   )
 };
 
-layer_state_t layer_state_set_user(layer_state_t state) {
-  switch (get_highest_layer(state | default_layer_state)) {
-    case LL:
-    	rgblight_mode_noeeprom(1);
-      rgblight_sethsv(HSV_BLUE);
-      break;
-    case LR:
-    	rgblight_mode_noeeprom(1);
-      rgblight_sethsv(HSV_GREEN);
-      break;
-    case LA:
-    	rgblight_mode_noeeprom(1);
-      rgblight_sethsv(HSV_PURPLE);
-      break;
-    case LC:
-    	rgblight_mode_noeeprom(1);
-      rgblight_sethsv(HSV_ORANGE);
-      break;
-    default:
-      if (IS_LAYER_ON_STATE(state | default_layer_state, LG)) {
-      	rgblight_mode_noeeprom(1);
-        rgblight_sethsv(HSV_RED);
-      } else if (IS_LAYER_ON_STATE(state | default_layer_state, LRG)) {
-      	rgblight_mode_noeeprom(1);
-        rgblight_sethsv(HSV_YELLOW);
-      } else {
-      	rgblight_mode_noeeprom(RGB_MATRIX_DEFAULT_MODE + 1);
-    	}
-      break;
+bool rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
+  uint8_t layer = get_highest_layer(layer_state | default_layer_state);
+
+  if (layer == LQ) {
+    return false;
   }
-  return state;
+
+  HSV hsv = {0, 255, 255};
+  hsv.h = 40 * layer;
+
+  // switch (layer) {
+  //   case(LG):
+  //     hsv.h = 40;
+  //     break;
+  // }
+  //   hsv.h = 130;
+  // } else if {
+  //   hsv.h = 30;
+  // }
+
+  if (hsv.v > rgb_matrix_get_val()) {
+    hsv.v = rgb_matrix_get_val();
+  }
+  RGB rgb = hsv_to_rgb(hsv);
+
+  for (uint8_t i = led_min; i <= led_max; i++) {
+    rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+  }
+
+  return true;
 }