The color-table resource (defined by the COLORTAB.BIN file which contains the COLORTABLE structure) contains a list of the colors that are to appear in the Control Panel's Color dialog box. This table should contain all the solid colors that are representable as RGB values as well any patterned colors that are reasonably close to the colors of the 8514/a display under Windows 3.1. The table may contain up to 48 RGB values. It is not necessary for RGBs to be exact across all drivers, but it is important for color representations to be similar. This accounts for variations in dithering algorithms of different display drivers.
For Windows 3.1, the recommended default system color values for 16- and 256-color displays are new. In particular, several system colors that were patterned (dithered) in Windows 3.0 have been changed to solids to improve performance and visibility on interlaced displays. For color drivers intended for use on general purpose color displays, the default desktop colors should always be solid colors. For 4bpp drivers, the default colors should be the same as used by the Windows 3.1 VGA driver. For 8bpp drivers, the default colors should be the same as used by the Windows 3.1 8514/a driver. See CONFIG.BIN for a list of these default colors.
In Windows 3.1, the CONFIG.BIN resource has been expanded to include the clrInactiveCaptionText member. This member specifies the color of the text in the title bar of an inactive window.
For a complete description of the default system colors and the clrInactiveCaptionText member, see the CONFIG.BIN resource.