NCI Tools
Download ColorTool for ArcMap
Choose the version of ColorTool that matches the version of ArcMap™ you are running. We recommend using the latest version of ColorTool if your system supports it.
- Download the installer for ColorTool 2.0 [EXE - 2.7 MB] for ArcMap™ 9.2+
- Download the installer for ColorTool 1.4 [EXE - 1.8 MB] for ArcMap™ 9.0 or 9.1
After downloading, follow the installation instructions.
The ColorTool help system (including a screenreader-accessible version), which is included in the installer, is also available separately for online browsing.

