implement gradient from tag color to grey

src/main/java/net/saltymc/eaa/custom/ping/TagDTO.java

@@ -9,7 +9,7 @@ public class TagDTO {
     final DB_Tag.Type type;
 
     public TagDTO(int grade, DB_Tag.Type type) {
-        this.gradeColor = calcGradient(grade);
+        this.gradeColor = calcGradient(grade, type);
         this.type = type;
     }
 
@@ -21,13 +21,13 @@ public class TagDTO {
         return type;
     }
 
-    private static int calcGradient(int grade){
+    private static int calcGradient(int grade, DB_Tag.Type type){
         if (grade < 1)
             return 0xaaaaaa;
 
         return ColorUtil.interpolate(
-                0x00ff00,
-                0xff0000,
+                0xaaaaaa,
+                type.getColor(),
                 computeOffset(0, 10, grade));
     }
 }