ColorPicker throws NullReferenceException if it cannot parse its value as a valid color.

Radzen.Blazor.Tests/ColorPickerTests.cs

@@ -0,0 +1,16 @@
+using Bunit;
+using Xunit;
+
+namespace Radzen.Blazor.Tests
+{
+    public class ColorPickerTests
+    {
+        [Fact]
+        public void ColorPicker_ShouldAcceptInvalidValues()
+        {
+            using var ctx = new TestContext();
+
+            var component = ctx.RenderComponent<RadzenColorPicker>(ComponentParameter.CreateParameter("Value", "invalid"));
+        }
+    }
+}

Radzen.Blazor/RadzenColorPicker.razor.cs

@@ -366,7 +366,8 @@ namespace Radzen.Blazor
         void Init()
         {
             var value = Value;
-            if (String.IsNullOrEmpty(Value))
+
+            if (String.IsNullOrEmpty(Value) || RGB.Parse(Value) == null)
             {
                 value = "rgb(255, 255, 255)";
             }