Default fg color (SGR 39)

Category: sgr · Tags: ECMA-48 Standard · Specification ↗

SGR 39 resets the foreground color to the terminal's default, without affecting other attributes. The sequence is ESC [ 39 m. This is more targeted than SGR 0, which resets all attributes. Useful when you want to clear a color change while preserving bold, underline, or other active attributes.

Supported by 6 of 6 backends (100%)

Support Matrix

Backend	Version	Support	Notes
Alacritty	0.26.0	✓ yes
Ghostty	1.3.1	✓ yes
Kitty	0.40.0	✓ yes
vt100	0.1.0	✓ yes
WezTerm	0.1.0-fork.5	✓ yes
xterm.js	5.5.0	✓ yes

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