In the 'VT Defaults' tab you will find the following parameters:

Background

Specifies the background color for VT terminal emulation. Default is black.

Underline

Specifies the foreground color assigned to underlined characters when no color attribute is specified by the VT host.

Normal

Specifies the foreground color assigned to low intensity characters when no color attribute is specified by the VT host.

Blink

Specifies the foreground color assigned to blinking characters when no color attribute is specified by the VT host.

Higlight

Specifies the foreground color assigned to high intensity characters when no color attribute is specified by the VT host.