diff --git a/src/ui_client.py b/src/ui_client.py
index d062475..0b30c65 100644
--- a/src/ui_client.py
+++ b/src/ui_client.py
@@ -254,7 +254,7 @@ class MidiController:
                 36: "alternating_phase",
                 37: "o",
                 38: "f",
-                39: "a",
+                39: "ap",
                 40: "p",
                 41: "r",
                 42: "rd",
@@ -273,17 +273,20 @@ class MidiController:
                 except Exception as e:
                     logging.error(f"Failed to POST pattern change: {e}")
                 return
-            # Color selection notes 44-51 map to color slots 0-7
+            # Color selection notes 44-51 map to color slots and targets
             if 44 <= msg.note <= 51:
                 slot_index = msg.note - 44
-                # Set the selected slot for the currently chosen target (0=Color1, 1=Color2)
-                self.selected_indices[self.next_selected_target] = slot_index
+                # Notes 44-47 → Color 2 (target index 1), 48-51 → Color 1 (target index 0)
+                target = 1 if 44 <= msg.note <= 47 else 0
+                self.selected_indices[target] = slot_index
+                # Update indicator to reflect last target used
+                self.next_selected_target = target
                 if callable(self.on_select_palette_indices):
                     try:
                         self.on_select_palette_indices(self.selected_indices)
                     except Exception as _e:
                         logging.debug(f"Failed to persist selected indices: {_e}")
-                logging.info(f"Set Color {self.next_selected_target+1} to slot {slot_index+1}")
+                logging.info(f"Set Color {target+1} to slot {slot_index+1}")
 
         elif msg.type == 'control_change':
             # Handle control change messages
@@ -801,7 +804,7 @@ class UIClient:
             "alternating_phase": "alternating\nphase",
             "off": "off",
             "flicker": "flicker",
-            "alternating": "alternating",
+            "alternating": "alternating\npulse",
             "pulse": "pulse",
             "rainbow": "rainbow",
             "radiate": "radiate",
@@ -819,7 +822,7 @@ class UIClient:
         # Normalize current pattern for highlight (map short codes to long names)
         current_raw = self.midi_controller.current_pattern or self.current_pattern
         short_to_long = {
-            "o": "off", "f": "flicker", "a": "alternating", "p": "pulse",
+            "o": "off", "f": "flicker", "a": "alternating", "ap": "alternating", "p": "pulse",
             "r": "rainbow", "rd": "radiate", "sm": "segmented_movement",
         }
         current_pattern = short_to_long.get(current_raw, current_raw)