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Launch Color Oracle and select "Deuteranopia", "Protanopia", or "Tritanopia" from the task bar to simulate deutanope, protanope or tritanope color vision. Click with the mouse anywhere on the screen or press any key to return to normal vision.

Information Panel

To move the information panel, click on it and drag to another place.

System Requirements

Color Oracle needs Windows 2000, XP or Vista. It will not run on older systems.

Color Oracle also requires Java to run. If Java is not installed, Color Oracle will display an error message and quit.

Installing Java

Go to and download and install the Java Virtual Machine. If you have problems installing Java, please read these instructions.