yeah it's sadge (#2880)

src/Discord.Net.Rest/API/Common/User.cs

@@ -16,6 +16,8 @@ namespace Discord.API
         public Optional<string> Avatar { get; set; }
         [JsonProperty("banner")]
         public Optional<string> Banner { get; set; }
+        [JsonProperty("banner_color")]
+        public Optional<Color?> BannerColor { get; set; }
         [JsonProperty("accent_color")]
         public Optional<uint?> AccentColor { get; set; }
 

src/Discord.Net.Rest/Entities/Users/RestUser.cs

@@ -25,8 +25,23 @@ namespace Discord.Rest
         public ushort DiscriminatorValue { get; private set; }
         /// <inheritdoc />
         public string AvatarId { get; private set; }
-        /// <inheritdoc />
+
+        /// <summary>
+        ///     Gets the hash of the banner.
+        /// </summary>
+        /// <remarks>
+        ///     <see langword="null"/> if the user has no banner set.
+        /// </remarks>
         public string BannerId { get; private set; }
+
+        /// <summary>
+        ///     Gets the color of the banner.
+        /// </summary>
+        /// <remarks>
+        ///     <see langword="null"/> if the user has no banner set.
+        /// </remarks>
+        public Color? BannerColor { get; private set; }
+
         /// <inheritdoc />
         public Color? AccentColor { get; private set; }
         /// <inheritdoc />
@@ -92,6 +107,8 @@ namespace Discord.Rest
                 AvatarId = model.Avatar.Value;
             if (model.Banner.IsSpecified)
                 BannerId = model.Banner.Value;
+            if (model.BannerColor.IsSpecified)
+                BannerColor = model.BannerColor.Value;
             if (model.AccentColor.IsSpecified)
                 AccentColor = model.AccentColor.Value;
             if (model.Discriminator.IsSpecified)

src/Discord.Net.WebSocket/Entities/Users/SocketSelfUser.cs

@@ -20,6 +20,22 @@ namespace Discord.WebSocket
         public bool IsMfaEnabled { get; private set; }
         internal override SocketGlobalUser GlobalUser { get; set; }
 
+        /// <summary>
+        ///     Gets the hash of the banner.
+        /// </summary>
+        /// <remarks>
+        ///     <see langword="null"/> if the user has no banner set.
+        /// </remarks>
+        public string BannerId { get; internal set; }
+
+        /// <summary>
+        ///     Gets the color of the banner.
+        /// </summary>
+        /// <remarks>
+        ///     <see langword="null"/> if the user has no banner set.
+        /// </remarks>
+        public Color? BannerColor { get; internal set; }
+
         /// <inheritdoc />
         public override bool IsBot { get { return GlobalUser.IsBot; } internal set { GlobalUser.IsBot = value; } }
         /// <inheritdoc />
@@ -86,6 +102,18 @@ namespace Discord.WebSocket
                 Locale = model.Locale.Value;
                 hasGlobalChanges = true;
             }
+
+            if (model.BannerColor.IsSpecified && model.BannerColor.Value != BannerColor)
+            {
+                BannerColor = model.BannerColor.Value;
+                hasGlobalChanges = true;
+            }
+
+            if (model.Banner.IsSpecified && model.Banner.Value != BannerId)
+            {
+                BannerId = model.Banner.Value;
+                hasGlobalChanges = true;
+            }
             return hasGlobalChanges;
         }