diff --git a/src/openrct2-ui/windows/Dropdown.cpp b/src/openrct2-ui/windows/Dropdown.cpp
index 4d8ea3bad9..67aa3832d8 100644
--- a/src/openrct2-ui/windows/Dropdown.cpp
+++ b/src/openrct2-ui/windows/Dropdown.cpp
@@ -474,7 +474,7 @@ void WindowDropdownShowColour(WindowBase* w, Widget* widget, uint8_t dropdownCol
     // Show dropdown
     WindowDropdownShowImage(
         w->windowPos.x + widget->left, w->windowPos.y + widget->top, widget->height() + 1, dropdownColour,
-        Dropdown::Flag::StayOpen, COLOUR_COUNT, 12, 12, _appropriateImageDropdownItemsPerRow[COLOR_NUM_ORIGINAL]);
+        Dropdown::Flag::StayOpen, COLOUR_COUNT, 12, 12, _appropriateImageDropdownItemsPerRow[COLOUR_NUM_ORIGINAL]);
 
     gDropdownIsColour = true;
     gDropdownLastColourHover = -1;
diff --git a/src/openrct2/interface/Colour.cpp b/src/openrct2/interface/Colour.cpp
index 0c9befc8af..1c7f6e1039 100644
--- a/src/openrct2/interface/Colour.cpp
+++ b/src/openrct2/interface/Colour.cpp
@@ -37,7 +37,7 @@ enum
 void ColoursInitMaps()
 {
     // Get colour maps from g1
-    for (int32_t i = 0; i < 32; i++)
+    for (int32_t i = 0; i < COLOUR_NUM_ORIGINAL; i++)
     {
         const G1Element* g1 = GfxGetG1Element(SPR_PALETTE_2_START + i);
         if (g1 != nullptr)
@@ -56,6 +56,26 @@ void ColoursInitMaps()
             ColourMapA[i].colour_11 = g1->offset[INDEX_COLOUR_11];
         }
     }
+    // G2 Palette Init
+    for (int32_t i = COLOUR_NUM_ORIGINAL; i < COLOUR_COUNT; i++)
+    {
+        const G1Element* g1 = GfxGetG1Element(SPR_G2_PAL_REMAP_BEGIN + i - COLOUR_NUM_ORIGINAL);
+        if (g1 != nullptr)
+        {
+            ColourMapA[i].colour_0 = g1->offset[INDEX_COLOUR_0];
+            ColourMapA[i].colour_1 = g1->offset[INDEX_COLOUR_1];
+            ColourMapA[i].darkest = g1->offset[INDEX_DARKEST];
+            ColourMapA[i].darker = g1->offset[INDEX_DARKER];
+            ColourMapA[i].dark = g1->offset[INDEX_DARK];
+            ColourMapA[i].mid_dark = g1->offset[INDEX_MID_DARK];
+            ColourMapA[i].mid_light = g1->offset[INDEX_MID_LIGHT];
+            ColourMapA[i].light = g1->offset[INDEX_LIGHT];
+            ColourMapA[i].lighter = g1->offset[INDEX_LIGHTER];
+            ColourMapA[i].lightest = g1->offset[INDEX_LIGHTEST];
+            ColourMapA[i].colour_10 = g1->offset[INDEX_COLOUR_10];
+            ColourMapA[i].colour_11 = g1->offset[INDEX_COLOUR_11];
+        }
+    }
 }
 
 namespace Colour
diff --git a/src/openrct2/interface/Colour.h b/src/openrct2/interface/Colour.h
index 6bea93cd73..0b67c6ad76 100644
--- a/src/openrct2/interface/Colour.h
+++ b/src/openrct2/interface/Colour.h
@@ -203,9 +203,7 @@ constexpr uint8_t PALETTE_LENGTH_REMAP = 12;
 constexpr uint8_t PALETTE_OFFSET_ANIMATED = PALETTE_INDEX_230;
 constexpr uint8_t PALETTE_LENGTH_ANIMATED = 16;
 
-constexpr uint8_t COLOR_NUM_ORIGINAL = 32;
-constexpr uint8_t COLOR_NUM_EXTENDED = 24;
-constexpr uint8_t COLOR_NUM_SPECIAL = 2;
+constexpr uint8_t COLOUR_NUM_ORIGINAL = 32;
 
 #define TEXT_COLOUR_254 (254)
 #define TEXT_COLOUR_255 (255)