Uses the inverted color for a dyed sign's highlighting color

src/main/java/net/knarcraft/stargate/utility/ColorHelper.java

@@ -0,0 +1,47 @@
+package net.knarcraft.stargate.utility;
+
+import net.md_5.bungee.api.ChatColor;
+import org.bukkit.Color;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ColorHelper {
+
+    /**
+     * Inverts the given color
+     *
+     * @param color <p>The color to invert</p>
+     * @return <p>The inverted color</p>
+     */
+    public static Color invert(Color color) {
+        return color.setRed(255 - color.getRed()).setGreen(255 - color.getGreen()).setBlue(255 - color.getBlue());
+    }
+
+    /**
+     * Gets the chat color corresponding to the given color
+     *
+     * @param color <p>The color to convert into a chat color</p>
+     * @return <p>The resulting chat color</p>
+     */
+    public static ChatColor fromColor(Color color) {
+        return ChatColor.of(String.format("#%02X%02X%02X", color.getRed(), color.getGreen(), color.getBlue()));
+    }
+
+    /**
+     * Translates all found color codes to formatting in a string
+     *
+     * @param message <p>The string to search for color codes</p>
+     * @return <p>The message with color codes translated</p>
+     */
+    public static String translateAllColorCodes(String message) {
+        message = ChatColor.translateAlternateColorCodes('&', message);
+        Pattern pattern = Pattern.compile("(#[a-fA-F0-9]{6})");
+        Matcher matcher = pattern.matcher(message);
+        while (matcher.find()) {
+            message = message.replace(matcher.group(), "" + ChatColor.of(matcher.group()));
+        }
+        return message;
+    }
+
+}