color? -- Returns #t if OBJ is a color object, otherwise #f.
color-properties -- Return an association list giving some properties of COLOR.
make-color -- Return the color object corresponding to the X color specifier CNAME.
clear-color-cache-entry -- Colors are cached by name.
make-relief-color -- Convert a color into a new color appropriate for a relief.
make-reversed-color -- Return a new color that is opposite COLOR.
set-highlight-factor! -- Use FACTOR to generate highlight colors for the current decor.
highlight-factor -- Return the current highlight factor.
set-shadow-factor! -- Use FACTOR to generate shadow colors in the current decor.
shadow-factor -- Return the current shadow factor.
set-menu-highlight-factor! -- Use FACTOR to generate highlight colors for menus.
menu-highlight-factor -- Return the current menu highlight factor.
set-menu-shadow-factor! -- Use FACTOR to generate shadow colors for menus.
menu-shadow-factor -- Return the current menu shadow factor.
set-highlight-foreground! -- Use FG for the foreground color of a window with the input focus.
highlight-foreground -- Return the default foreground color for windows with the input focus.
set-highlight-background! -- Use BG as the background color for a window with the input focus.
highlight-background -- Return the default background color for windows with the input focus.
set-not-menu-foreground! -- Use FG as the default foreground color for icons, titlebars, etc.
not-menu-foreground -- Return the default foreground color for icons, titlebars, etc.
set-not-menu-background! -- Use BG as the default background color for icons, window frames, etc.
not-menu-background -- Return the default background color for icons, window frames, etc.