Appearance
Bright fg colors (SGR 90-97)
SGR 90-97 set the foreground to one of 8 bright (high-intensity) colors, corresponding to the standard colors at higher intensity. Originally an xterm extension, now universally supported. These provide 8 additional named colors beyond SGR 30-37 without requiring 256-color or truecolor support.
Supported by 5 of 6 backends (83%)
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 | |
| xterm.js | 5.5.0 | ✓ yes | |
| WezTerm | 0.1.0-fork.5 | ~ partial | Backend returns palette index instead of resolved RGB |