diff --git a/README.md b/README.md
index 2699aec..cfc7acc 100644
--- a/README.md
+++ b/README.md
@@ -144,9 +144,10 @@ Thanks to these great people for supporting this project.
 
 <!-- ** WORK IN PROGRESS ** -->
 
-### 2.5.2 (2024-10-05)
+### 2.5.2 (2024-10-07)
 
 -   (foorschtbar) Fixed ESP32 Battery Pin Definition
+-   (foorschtbar) Removed color convertion libary
 
 ### 2.5.1 (2024-04-07)
 
diff --git a/platformio.ini b/platformio.ini
index fdae166..d13927c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -53,7 +53,6 @@ lib_deps =
 	bblanchon/ArduinoJson@5.13.4
 	beegee-tokyo/DHT sensor library for ESPx@1.19.0
 	claws/BH1750@1.3.0
-	ColorConverter=https://github.com/luisllamasbinaburo/Arduino-ColorConverter.git#v2.0.0
 	fastled/FastLED@3.7.0
 	knolleary/PubSubClient@2.8.0
 	LightDependentResistor=https://github.com/QuentinCG/Arduino-Light-Dependent-Resistor-Library.git#1.4.0
diff --git a/src/PixelIt.ino b/src/PixelIt.ino
index 39ec930..b838535 100644
--- a/src/PixelIt.ino
+++ b/src/PixelIt.ino
@@ -38,7 +38,6 @@
 #include <DHTesp.h>
 #include <DFPlayerMini_Fast.h>
 #include <SoftwareSerial.h>
-#include "ColorConverterLib.h"
 #include <TimeLib.h>
 #include <ArduinoJson.h>
 #include <ArduinoHttpClient.h>
@@ -506,11 +505,7 @@ void SaveConfig()
     json["matrixTempCorrection"] = matrixTempCorrection;
     json["ntpServer"] = ntpServer;
     json["clockTimeZone"] = clockTimeZone;
-
-    String clockColorHex;
-    ColorConverter::RgbToHex(clockColorR, clockColorG, clockColorB, clockColorHex);
-    json["clockColor"] = "#" + clockColorHex;
-
+    json["clockColor"] = "#" + RGBtoHEX(clockColorR, clockColorG, clockColorB);
     json["clockSwitchAktiv"] = clockSwitchAktiv;
     json["clockSwitchSec"] = clockSwitchSec;
     json["clock24Hours"] = clock24Hours;
@@ -692,7 +687,7 @@ void SetConfigVariables(JsonObject &json)
 
     if (json.containsKey("clockColor"))
     {
-        ColorConverter::HexToRgb(json["clockColor"].as<String>(), clockColorR, clockColorG, clockColorB);
+        HEXtoRGB(json["clockColor"].as<String>(), clockColorR, clockColorG, clockColorB);
     }
 
     if (json.containsKey("clockSwitchAktiv"))
@@ -1545,7 +1540,7 @@ void CreateFrames(JsonObject &json, int forceDuration)
             uint8_t b = 255;
             if (json["switchAnimation"]["hexColor"].as<char *>() != NULL)
             {
-                ColorConverter::HexToRgb(json["switchAnimation"]["hexColor"].as<char *>(), r, g, b);
+                HEXtoRGB(json["switchAnimation"]["hexColor"].as<char *>(), r, g, b);
             }
             else if (json["switchAnimation"]["color"]["r"].as<char *>() != NULL)
             {
@@ -1628,7 +1623,7 @@ void CreateFrames(JsonObject &json, int forceDuration)
             else if (json["clock"]["hexColor"].as<char *>() != NULL)
             {
                 logMessage += F("hexColor, ");
-                ColorConverter::HexToRgb(json["clock"]["hexColor"].as<char *>(), clockColorR, clockColorG, clockColorB);
+                HEXtoRGB(json["clock"]["hexColor"].as<char *>(), clockColorR, clockColorG, clockColorB);
             }
             if (logMessage.endsWith(", "))
             {
@@ -1651,7 +1646,7 @@ void CreateFrames(JsonObject &json, int forceDuration)
             uint8_t r, g, b;
             if (json["bar"]["hexColor"].as<char *>() != NULL)
             {
-                ColorConverter::HexToRgb(json["bar"]["hexColor"].as<char *>(), r, g, b);
+                HEXtoRGB(json["bar"]["hexColor"].as<char *>(), r, g, b);
             }
             else
             {
@@ -1671,7 +1666,7 @@ void CreateFrames(JsonObject &json, int forceDuration)
                 uint8_t r, g, b;
                 if (x["hexColor"].as<char *>() != NULL)
                 {
-                    ColorConverter::HexToRgb(x["hexColor"].as<char *>(), r, g, b);
+                    HEXtoRGB(x["hexColor"].as<char *>(), r, g, b);
                 }
                 else
                 {
@@ -1797,7 +1792,7 @@ void CreateFrames(JsonObject &json, int forceDuration)
             uint8_t r, g, b;
             if (json["text"]["hexColor"].as<char *>() != NULL)
             {
-                ColorConverter::HexToRgb(json["text"]["hexColor"].as<char *>(), r, g, b);
+                HEXtoRGB(json["text"]["hexColor"].as<char *>(), r, g, b);
             }
             else
             {
diff --git a/src/Tools.h b/src/Tools.h
index 9da0214..7235964 100644
--- a/src/Tools.h
+++ b/src/Tools.h
@@ -119,7 +119,7 @@ byte Utf8ToAscii(byte ascii)
 	case 0XE29885: // Star ★
 		result = 0xE3;
 		break;
-	case 0xF09F9384: // File 📄  
+	case 0xF09F9384: // File 📄
 		result = 0xE4;
 		break;
 	case 0xE299A5: // Heart ♥
@@ -136,7 +136,7 @@ byte Utf8ToAscii(byte ascii)
 		break;
 	case 0xF09F9381: // Folder 📁
 		result = 0xE9;
-		break;			
+		break;
 	}
 
 	// Legal UTF-8 Byte Sequences
@@ -251,4 +251,44 @@ int GetRSSIasQuality(int rssi)
 float CelsiusToFahrenheit(float celsius)
 {
 	return (celsius * 9 / 5) + 32;
+}
+
+// RGBtoHEX
+String RGBtoHEX(int r, int g, int b)
+{
+	String rs = String(r, HEX);
+	String gs = String(g, HEX);
+	String bs = String(b, HEX);
+
+	if (rs.length() == 1)
+		rs = "0" + rs;
+	if (gs.length() == 1)
+		gs = "0" + gs;
+	if (bs.length() == 1)
+		bs = "0" + bs;
+
+	return rs + gs + bs;
+}
+
+// HEXtoRGB
+void HEXtoRGB(String hex, uint8_t &r, uint8_t &g, uint8_t &b)
+{
+	// Remove # if it exists
+	hex.replace("#", "");
+	// trim to 6 characters
+	hex = hex.substring(0, 6);
+	// check of the string is a valid hex color
+	// regex: ^#?([a-f0-9]{6}|[a-f0-9]{3})$
+	if (hex.length() == 6)
+	{
+		r = strtol(hex.substring(0, 2).c_str(), nullptr, 16);
+		g = strtol(hex.substring(2, 4).c_str(), nullptr, 16);
+		b = strtol(hex.substring(4, 6).c_str(), nullptr, 16);
+	}
+	else
+	{
+		r = 0;
+		g = 0;
+		b = 0;
+	}
 }
\ No newline at end of file