Built-in palettes
vga
Typical colors that are used when booting PCs and leaving them in text mode, which used a 16-entry color table. The colors are different in the EGA/VGA graphic modes. From https://en.wikipedia.org/wiki/ANSI_escape_code#SGR.
winxp
Windows XP Console. Seen in Windows XP through Windows 8.1. From https://en.wikipedia.org/wiki/ANSI_escape_code#SGR.
vscode
Visual Studio Debug console, ‘Dark+’ theme. From https://en.wikipedia.org/wiki/ANSI_escape_code#SGR.
win10
Campbell theme, used as of Windows 10 version 1709. Also usedby PowerShell 6.From https://en.wikipedia.org/wiki/ANSI_escape_code#SGR.
ubuntu
For virtual terminals, from /etc/vtrgb.From https://en.wikipedia.org/wiki/ANSI_escape_code#SGR.