Add range checks to new overload

src/Discord.Net.Core/Entities/Roles/Color.cs

@@ -32,6 +32,12 @@ namespace Discord
         }
         public Color(int r, int g, int b)
         {
+            if (r < 0 || r > 255)
+                throw new ArgumentOutOfRangeException(nameof(r), "Value must be within [0,255]");
+            if (g < 0 || g > 255)
+                throw new ArgumentOutOfRangeException(nameof(g), "Value must be within [0,255]");
+            if (b < 0 || b > 255)
+                throw new ArgumentOutOfRangeException(nameof(b), "Value must be within [0,255]");
             RawValue =
                 ((uint)r << 16) |
                 ((uint)g << 8) |
@@ -40,11 +46,11 @@ namespace Discord
         public Color(float r, float g, float b)
         {
             if (r < 0.0f || r > 1.0f)
-                throw new ArgumentOutOfRangeException(nameof(r), "A float value must be within [0,1]");
+                throw new ArgumentOutOfRangeException(nameof(r), "Value must be within [0,1]");
             if (g < 0.0f || g > 1.0f)
-                throw new ArgumentOutOfRangeException(nameof(g), "A float value must be within [0,1]");
+                throw new ArgumentOutOfRangeException(nameof(g), "Value must be within [0,1]");
             if (b < 0.0f || b > 1.0f)
-                throw new ArgumentOutOfRangeException(nameof(b), "A float value must be within [0,1]");
+                throw new ArgumentOutOfRangeException(nameof(b), "Value must be within [0,1]");
             RawValue =
                 ((uint)(r * 255.0f) << 16) |
                 ((uint)(g * 255.0f) << 8) |