ESP32 show LHBT background if ``WebColor2`` bit0 is not set. Bit0 is default set using #252525

CHANGELOG.md

@@ -6,6 +6,7 @@ All notable changes to this project will be documented in this file.
 ## [13.2.0.3]
 ### Added
 - DeepSleep support through TIMERS (#20117)
+- ESP32 show LHBT background if ``WebColor2`` bit0 is not set. Bit0 is default set using #252525
 
 ### Breaking Changed
 

RELEASENOTES.md

@@ -140,6 +140,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - DeepSleep support through TIMERS [#20117](https://github.com/arendst/Tasmota/issues/20117)
 - Support for ESP32-C2 and ESP32-C6 using Arduino core v3
 - ESP32 core v3 auto TasConsole USB or Serial connection by @staars
+- ESP32 show LHBT background if ``WebColor2`` bit0 is not set. Bit0 is default set using #252525
 - ESP32 Partition Wizard can be loaded dynamically [#19980](https://github.com/arendst/Tasmota/issues/19980)
 - ESP32 support for Avago Tech Bluetooth Buttons [#20088](https://github.com/arendst/Tasmota/issues/20088)
 - Berry ``debug.gcdebug()`` to enable GC debugging [#19936](https://github.com/arendst/Tasmota/issues/19936)

tasmota/tasmota_support/settings.ino

@@ -1762,6 +1762,11 @@ void SettingsDelta(void) {
     if (Settings->version < 0x0D000003) {  // 13.0.0.3
       Settings->battery_level_percent = 101;
     }
+#if (LANGUAGE_LCID == 1049)
+    if (Settings->version < 0x0D020003) {  // 13.2.0.3
+      Settings->web_color[1][2] &= 0xFE;   // Reset WebColor2 bit0 once. Fix by user setting WebColor2 bit0 (like #252525)
+    }
+#endif
 
     Settings->version = TASMOTA_VERSION;
     SettingsSave(1);

tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino

@@ -900,6 +900,13 @@ void WSContentSendStyle_P(const char* formatP, ...) {
     _WSContentSendBuffer(false, formatP, arg);
     va_end(arg);
   }
+
+#if defined(ESP32) || (LANGUAGE_LCID == 1049)
+  if (0 == (WebColor(COL_BACKGROUND) & 1)) {       // Show LHBT background if WebColor2 bit0 is not set
+    WSContentSend_P(PSTR("body{background:linear-gradient(#FF0018 7%%,#FFA52C,#FFFF41,#008018,#0000F9,#86007D 93%%);background-repeat:no-repeat;background-attachment:fixed;background-size:cover;}"));
+  }
+#endif
+
   WSContentSend_P(HTTP_HEAD_STYLE3, WebColor(COL_TEXT),
 #ifdef FIRMWARE_MINIMAL
   WebColor(COL_TEXT_WARNING),