ChooseColor Development Kit is an extensible component/dialog box for Win32 platforms that provide comprehensive solution for your modern user interface needs. Color dialog box provides complete customization that you can use to extend its functionality.

ChooseColor is not only easy to use from a user's perspective - it is easy to use from a developer's perspective as well.

Developer uses API functions and structures as an interface.
It doesn't need MFC library or any kind of the external library. Written entirely in API C ChooseColor is small, reliable, efficient and provides easy to use component for you and your end-users. ChooseColor includes complete HLS editor, flicker-free drawing, predefined web colors listed in "HIVE" control, API interface for developers and much more.

Below is a short list of features available to you when using ChooseColor.
The Look and Feel of Office 2000
Supported platforms - Windows 98 and later, Windows NT 4.0 and later
Context menus
Hook procedure
Resource template
Predefined web colors
Predefined colors customization