prezto/modules/spectrum/README.md

Spectrum

Provides for easier use of 256 colors and effects.

To learn more about text formatting, read That 256 Color Thing.

Variables

• BG provides background colors.
• FG provides foreground colors.
• FX provides effects.

Background and Foreground

Terminals support 8, 16, 88, and 256 colors. Check if a terminal supports 256 colors with tput colors before use.

The following colors are supported.

• 0 to 255
• black
• red
• green
• yellow
• blue
• magenta
• cyan
• white

Effects

Though there are many effects, most terminals support at least bold formatting.

Not all effects work on all terminals; use them sparingly.

Enable	Disable
	none
	normal
bold	no-bold
faint	no-faint
standout	no-standout
underline	no-underline
blink	no-blink
fast-blink	no-fast-blink
reverse	no-reverse
conceal	no-conceal
strikethrough	no-strikethrough
gothic	no-gothic
double-underline	no-double-underline
proportional	no-proportional
overline	no-overline
	no-border
border-rectangle	no-border-rectangle
border-circle	no-border-circle
	no-ideogram-marking
underline-or-right	no-underline-or-right
double-underline-or-right	no-double-underline-or-right
overline-or-left	no-overline-or-left
double-overline-or-left	no-double-overline-or-left
stress	no-stress
	font-default
font-first	no-font-first
font-second	no-font-second
font-third	no-font-third
font-fourth	no-font-fourth
font-fifth	no-font-fifth
font-sixth	no-font-sixth
font-seventh	no-font-seventh
font-eigth	no-font-eigth
font-ninth	no-font-ninth

Plain Text

Use $BG[none], $FG[none], or $FX[none] to turn off formatting.

Authors

The authors of this module should be contacted via the issue tracker.

• P.C. Shyamshankar
• Sorin Ionescu