diff --git a/mods/color_tools.js b/mods/color_tools.js
index d3c06524..286d6141 100644
--- a/mods/color_tools.js
+++ b/mods/color_tools.js
@@ -1,231 +1,126 @@
-function increment() {
-    if(typeof(colorToolCounter) === "undefined") {
-        colorToolCounter = 0;
-    };
-    colorToolCounter++;
+var modName = "mods/color_tools.js";
+var libraryMod = "mods/code_library.js";
+
+if(enabledMods.includes(libraryMod)) {
+	function colorToolCounter() {
+		if(typeof(colorToolCounter) === "undefined") {
+			colorToolCounter = 0;
+		};
+		colorToolCounter++;
+	};
+	colorToolCounterInterval = setInterval(colorToolCounter, 50);
+
+	elements.multiply_color = {
+		color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
+		tool: function(pixel) {
+			if(colorToolCounter % 3 == 0) {
+				pixel.color = multiplyColors(pixel.color,currentColor,"rgb");
+				colorToolCounter = 0;
+			};
+		},
+		customColor: true,
+		category: "color tools", //the toolbar is getting cluttered
+		excludeRandom: true, //the toolbar is getting cluttered
+	}
+
+	elements.divide_color = { //can't get it to work how I want it to work
+		color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
+		tool: function(pixel) {
+			if(colorToolCounter % 3 == 0) {
+				pixel.color = divideColors(pixel.color,currentColor,"rgb");
+				colorToolCounter = 0;
+			};
+		},
+		customColor: true,
+		category: "color tools",
+		excludeRandom: true,
+	}
+
+	elements.add_color = {
+		color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
+		tool: function(pixel) {
+			if(colorToolCounter % 3 == 0) {
+				pixel.color = addColors(pixel.color,currentColor,"rgb");
+				colorToolCounter = 0;
+			};
+		},
+		customColor: true,
+		category: "color tools",
+		excludeRandom: true,
+	}
+
+	elements.subtract_color = {
+		color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
+		tool: function(pixel) {
+			if(colorToolCounter % 3 == 0) {
+				pixel.color = subtractColors(pixel.color,currentColor,"rgb");
+				colorToolCounter = 0;
+			};
+		},
+		customColor: true,
+		category: "color tools",
+		excludeRandom: true,
+	}
+
+	elements.grayscale = {
+		color: ["#7f7f7f"],
+		tool: function(pixel) {
+			// convert the hex of currentColor to rgb and set it as a string
+			var oldColor = hexToRGB(rgbToHex(pixel.color))
+			var lightness = Math.round((oldColor.r * 0.299) + (oldColor.g * 0.587) + (oldColor.b * 0.114))
+			var finalColor = [lightness, lightness, lightness]
+			pixel.color = "rgb(" + finalColor.join(",") + ")"
+		},
+		category: "color tools",
+		excludeRandom: true,
+	}
+
+	elements.invert = {
+		color: ["#ff0000", "#00ffff"],
+		tool: function(pixel) {
+		  if(colorToolCounter % 3 == 0) {
+			// convert the hex of currentColor to rgb and set it as a string
+			var oldColor = hexToRGB(rgbToHex(pixel.color))
+			var finalColor = [(255 - oldColor.r), (255 - oldColor.g), (255 - oldColor.b)]
+			pixel.color = "rgb(" + finalColor.join(",") + ")"
+			colorToolCounter = 0;
+		  };
+		},
+		category: "color tools",
+		excludeRandom: true,
+	}
+
+	elements.reverse_R_G_B = {
+		color: ["#7f7f7f"],
+		tool: function(pixel) {
+		  if(colorToolCounter % 3 == 0) {
+			// convert the hex of currentColor to rgb and set it as a string
+			var oldColor = hexToRGB(rgbToHex(pixel.color))
+			var finalColor = [oldColor.b, oldColor.g, oldColor.r]
+			pixel.color = "rgb(" + finalColor.join(",") + ")"
+			colorToolCounter = 0;
+		  };
+		},
+		category: "color tools",
+		excludeRandom: true,
+	}
+
+	elements.shift_R_G_B = {
+		color: ["#7f7f7f"],
+		tool: function(pixel) {
+		  if(colorToolCounter % 3 == 0) {
+			// convert the hex of currentColor to rgb and set it as a string
+			var oldColor = hexToRGB(rgbToHex(pixel.color))
+			var finalColor = [oldColor.g, oldColor.b, oldColor.r]
+			pixel.color = "rgb(" + finalColor.join(",") + ")"
+			colorToolCounter = 0;
+		  };
+		},
+		category: "color tools",
+		excludeRandom: true,
+	}
+} else {
+	alert(`The ${libraryMod} mod is required and has been automatically inserted (reload for this to take effect).`)
+	enabledMods.splice(enabledMods.indexOf(modName),0,libraryMod)
+	localStorage.setItem("enabledMods", JSON.stringify(enabledMods));
 };
-colorToolCounterInterval = setInterval(increment, 50);
-
-function _rgbToHex(color) {
-    if(typeof(color) == "object") { //Expects object like "{r: 172, g: 11, b: 34}"
-        //console.log("Loading colors");
-        //console.log("Loading R");
-        var red = color.r;
-        //console.log("Loading G");
-        var green = color.g;
-        //console.log("Loading B");
-        var blue = color.b;
-        //console.log("Rounding R");
-        red = Math.round(red);
-        //console.log("Rounding G");
-        green = Math.round(green);
-        //console.log("Rounding B");
-        blue = Math.round(blue);
-        //console.log("Bounding R");
-        red = Math.min(255,Math.max(0,red));
-        //console.log("Bounding G");
-        green = Math.min(255,Math.max(0,green));
-        //console.log("Bounding B");
-        blue = Math.min(255,Math.max(0,blue));
-        //console.log("Converting R");
-        red = red.toString(16);
-        //console.log("Converting G");
-        green = green.toString(16);
-        //console.log("Converting B");
-        blue = blue.toString(16);
-        //console.log("Padding R");
-        while(red.length < 2) {
-            red = "0" + red;
-        };
-        //console.log("Padding G");
-        while(green.length < 2) {
-            green = "0" + green;
-        };
-        //console.log("Padding B");
-        while(blue.length < 2) {
-            blue = "0" + blue;
-        };
-        //console.log("Concatenating");
-        return "#" + red + green + blue;
-    } else if(typeof(color) == "string") { //Expects string like "rgb(20,137,4)".
-        //console.log("Splitting string")
-        color = color.split(",");
-        //console.log("Getting R");
-        var red = parseFloat(color[0].substring(4))
-        //console.log("Getting G");
-        var green = parseFloat(color[1])
-        //console.log("Getting B");
-        var blue = parseFloat(color[2].slice(0,-1)) 
-        //console.log("Rounding R");
-        red = Math.round(red);
-        //console.log("Rounding G");
-        green = Math.round(green);
-        //console.log("Rounding B");
-        blue = Math.round(blue);
-        //console.log("Bounding R");
-        red = Math.min(255,Math.max(0,red));
-        //console.log("Bounding G");
-        green = Math.min(255,Math.max(0,green));
-        //console.log("Bounding B");
-        blue = Math.min(255,Math.max(0,blue));
-        //console.log("Converting R");
-        red = red.toString(16);
-        //console.log("Converting G");
-        green = green.toString(16);
-        //console.log("Converting B");
-        blue = blue.toString(16);
-        //console.log("Padding R");
-        while(red.length < 2) {
-            red = "0" + red;
-        };
-        //console.log("Padding G");
-        while(green.length < 2) {
-            green = "0" + green;
-        };
-        //console.log("Padding B");
-        while(blue.length < 2) {
-            blue = "0" + blue;
-        };
-        //console.log("Concatenating");
-        return "#" + red + green + blue;
-        } else {
-        throw "error: Only objects and strings are supported."
-    };
-};
-
-elements.multiply_color = {
-    color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-            // convert the hex of currentColor to rgb and set it as a string
-            var rgb = currentColor.replace("#","").match(/.{1,2}/g);
-            for (var i = 0; i < rgb.length; i++) {
-                rgb[i] = parseInt(rgb[i],16);
-            };
-            var oldColor = hexToRGB(_rgbToHex(pixel.color))
-            var finalColor = [Math.round(oldColor.r * (rgb[0] / 255)), Math.round(oldColor.g * (rgb[1] / 255)), Math.round(oldColor.b * (rgb[2] / 255))]
-            pixel.color = "rgb(" + finalColor.join(",") + ")"
-            colorToolCounter = 0;
-      };
-    },
-    customColor: true,
-    category: "color tools", //the toolbar is getting cluttered
-    excludeRandom: true, //the toolbar is getting cluttered
-}
-
-/*elements.divide_color = { //can't get it to work how I want it to work
-    color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var rgb = currentColor.replace("#","").match(/.{1,2}/g);
-        for (var i = 0; i < rgb.length; i++) {
-            rgb[i] = parseInt(rgb[i],16);
-        }
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var finalColor = [Math.round(256 / ((rgb[0] + 1) / (oldColor.r + 1))), Math.round(256 / ((rgb[1] + 1) / (oldColor.g + 1))), Math.round(256 / ((rgb[2] + 1) / (oldColor.b + 1)))]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-        colorToolCounter = 0;
-      };
-    },
-    customColor: true,
-    category: "color tools",
-    excludeRandom: true,
-}*/
-
-elements.add_color = {
-    color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var rgb = currentColor.replace("#","").match(/.{1,2}/g);
-        for (var i = 0; i < rgb.length; i++) {
-            rgb[i] = parseInt(rgb[i],16);
-        }
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var finalColor = [Math.min(oldColor.r + rgb[0], 255), Math.min(oldColor.g + rgb[1], 255), Math.min(oldColor.b + rgb[2], 255)]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-      };
-    },
-    customColor: true,
-    category: "color tools",
-    excludeRandom: true,
-}
-
-elements.subtract_color = {
-    color: ["#c27070","#c29c70","#c2c270","#70c270","#70c2c2","#7070c2","#c270c2"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var rgb = currentColor.replace("#","").match(/.{1,2}/g);
-        for (var i = 0; i < rgb.length; i++) {
-            rgb[i] = parseInt(rgb[i],16);
-        }
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var finalColor = [Math.max(oldColor.r - rgb[0], 0), Math.max(oldColor.g - rgb[1], 0), Math.max(oldColor.b - rgb[2], 0)]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-        colorToolCounter = 0;
-      };
-    },
-    customColor: true,
-    category: "color tools",
-    excludeRandom: true,
-}
-
-elements.grayscale = {
-    color: ["#7f7f7f"],
-    tool: function(pixel) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var lightness = Math.round((oldColor.r * 0.299) + (oldColor.g * 0.587) + (oldColor.b * 0.114))
-        var finalColor = [lightness, lightness, lightness]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-    },
-    category: "color tools",
-    excludeRandom: true,
-}
-
-elements.invert = {
-    color: ["#ff0000", "#00ffff"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var finalColor = [(255 - oldColor.r), (255 - oldColor.g), (255 - oldColor.b)]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-        colorToolCounter = 0;
-      };
-    },
-    category: "color tools",
-    excludeRandom: true,
-}
-
-elements.reverse_R_G_B = {
-    color: ["#7f7f7f"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var finalColor = [oldColor.b, oldColor.g, oldColor.r]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-        colorToolCounter = 0;
-      };
-    },
-    category: "color tools",
-    excludeRandom: true,
-}
-
-elements.shift_R_G_B = {
-    color: ["#7f7f7f"],
-    tool: function(pixel) {
-      if(colorToolCounter % 3 == 0) {
-        // convert the hex of currentColor to rgb and set it as a string
-        var oldColor = hexToRGB(_rgbToHex(pixel.color))
-        var finalColor = [oldColor.g, oldColor.b, oldColor.r]
-        pixel.color = "rgb(" + finalColor.join(",") + ")"
-        colorToolCounter = 0;
-      };
-    },
-    category: "color tools",
-    excludeRandom: true,
-}