Is there a way with a style to target the arrows in the NumericUpDown control from the WPF Toolkit? I want to change the color of the arrows.
You can override the GlyphNormalForeground color.
GlyphNormalForeground
you will have to add the Xceed.Wpf.Toolkit.Themes xmnls namespace to your xaml. (or WpfToolkit.Themes if your using the old version)
Xceed.Wpf.Toolkit.Themes
Example:
Result: