Darken the tooltip text a bit

Author: govert

Source/ExcelDna.IntelliSense/ToolTipForm.cs

@@ -53,7 +53,8 @@ public ToolTipForm(IntPtr hwndOwner)
                 { FontStyle.Bold | FontStyle.Italic, new Font("Segoe UI", 9, FontStyle.Bold | FontStyle.Italic) },
 
             };
-            _textBrush = new SolidBrush(Color.FromArgb(68, 68, 68));
+            //_textBrush = new SolidBrush(Color.FromArgb(68, 68, 68));  // Best matches Excel's built-in color, but I think a bit too light
+            _textBrush = new SolidBrush(Color.FromArgb(52, 52, 52));
             _linkBrush = new SolidBrush(Color.Blue);
             _borderPen = new Pen(Color.FromArgb(195, 195, 195));
             _borderLightPen = new Pen(Color.FromArgb(225, 225, 225));