Hi,
You are right, there are more languages than English around the world. But if properties are added for the ColorPicker to manage localization, there should be the same for all text in all the controls of the toolkit : which would make a bunch of new properties.
This feature is part of the issue https://wpftoolkit.codeplex.com/workitem/19306. Please vote for it in order to put it on top of the list :-)
You are right, there are more languages than English around the world. But if properties are added for the ColorPicker to manage localization, there should be the same for all text in all the controls of the toolkit : which would make a bunch of new properties.
This feature is part of the issue https://wpftoolkit.codeplex.com/workitem/19306. Please vote for it in order to put it on top of the list :-)