Foreground color query (OSC 10)

Category: extensions · Tags: Operating System Commands (OSC), Xterm Extensions · Specification ↗

OSC 10 queries the terminal's default foreground color. The query is ESC ] 10 ; ? ST and the terminal responds with the color in X11 rgb:RR/GG/BB format. Applications use this to detect light vs. dark themes and adapt their color schemes accordingly.

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

← Back to matrix · extensions features