Fix TFT_MESH settings across setting and recalling (#9234)

* Fix TFT_MESH settings across setting and recalling

* Fix a word in documentation

* Update src/graphics/Screen.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update src/graphics/Screen.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/graphics/Screen.cpp

@@ -312,6 +312,7 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
 
     // Only validate the combined value once
     if (rawRGB > 0 && rawRGB <= 255255255) {
+        LOG_INFO("Setting screen RGB color to user chosen: 0x%06X", rawRGB);
         // Extract each component as a normal int first
         int r = (rawRGB >> 16) & 0xFF;
         int g = (rawRGB >> 8) & 0xFF;
@@ -319,6 +320,16 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
         if (r >= 0 && r <= 255 && g >= 0 && g <= 255 && b >= 0 && b <= 255) {
             TFT_MESH = COLOR565(static_cast<uint8_t>(r), static_cast<uint8_t>(g), static_cast<uint8_t>(b));
         }
+#ifdef TFT_MESH_OVERRIDE
+    } else if (rawRGB == 0) {
+        LOG_INFO("Setting screen RGB color to TFT_MESH_OVERRIDE: 0x%04X", TFT_MESH_OVERRIDE);
+        // Default to TFT_MESH_OVERRIDE if available
+        TFT_MESH = TFT_MESH_OVERRIDE;
+#endif
+    } else {
+        // Default best readable yellow color
+        LOG_INFO("Setting screen RGB color to default: (255,255,128)");
+        TFT_MESH = COLOR565(255, 255, 128);
     }
 
 #if defined(USE_SH1106) || defined(USE_SH1107) || defined(USE_SH1107_128_64)

src/graphics/draw/MenuHandler.cpp

@@ -1840,7 +1840,7 @@ void menuHandler::TFTColorPickerMenu(OLEDDisplay *display)
     static const ScreenColorOption colorOptions[] = {
         {"Back", OptionsAction::Back},
         {"Default", OptionsAction::Select, ScreenColor(0, 0, 0, true)},
-        {"Meshtastic Green", OptionsAction::Select, ScreenColor(103, 234, 148)},
+        {"Meshtastic Green", OptionsAction::Select, ScreenColor(0x67, 0xEA, 0x94)},
         {"Yellow", OptionsAction::Select, ScreenColor(255, 255, 128)},
         {"Red", OptionsAction::Select, ScreenColor(255, 64, 64)},
         {"Orange", OptionsAction::Select, ScreenColor(255, 160, 20)},
@@ -1890,7 +1890,7 @@ void menuHandler::TFTColorPickerMenu(OLEDDisplay *display)
 #ifdef TFT_MESH_OVERRIDE
                 TFT_MESH = TFT_MESH_OVERRIDE;
 #else
-                TFT_MESH = COLOR565(0x67, 0xEA, 0x94);
+                TFT_MESH = COLOR565(255, 255, 128);
 #endif
             } else {
                 TFT_MESH = COLOR565(r, g, b);