IBM WS525 manual Using Color, If you want to From the Color submenu in Set-Up Choose

Installation and Set-Up

1.3 Using Color

1.3 Using Color

You can control the terminals display colors. You may choose color settings to match your software, to emulate another terminal, or to suit your preference. Depending on the settings you choose, for each session you can assign colors for various text uses and defined a map of 16 colors (8 text and 8 background) from a larger palette of 4096 colors. Changes in color selections become visible upon entering new text and when the screen is refreshed.

If you want to . . .	From the Color submenu in Set-Up,
	choose . . .
Let your application specify	Select color mode			ANSI SGR color.
text colors by using ANSI SGR	Use Assign colors . . .
sequences				to choose the
	default text and background colors from a
	map of 16 colors. The default background
	color is black (00 on the scale).
	Use Define colors . . . to make fine
	adjustments to individual colors or
	background.		
Display text attributes (bold,	Select color mode			Alternate color.
reverse, blink, and underline)	Then, choose Alternate text colors . . . to
in different colors	assign colors to each combination.
	Use Define colors . . . to make fine
	adjustments to individual colors or
	background.		
Emulate WYSE 325 color	ASCII color mode			Color. Use WYSE
	325 keystroke functions,				Ctrl	0	. . . 9 kpd,
	to select from the color				palette.
Emulate the appearance of a	ASCII color mode			Mono.

monochrome ASCII terminal		
	Installation and Set-Up 1–9