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Standard Output

Sequences start with the escape character followed by a left bracket \x1B[ and end with m. The style options give you 8 colors for both background and foreground (bold may not change intensity). And 4 style attributes (thickness, italic, underline, inverted).

The following ANSI escape sequences must be supported by Wasite-compliant terminal emulators:

  • \x1B[0m (Since v0.1.0) Disable all style attribute flags (doesn’t include colors)
  • \x1B[1m (Since v0.1.0) Set thickness style attribute flag to bold
  • \x1B[2m (Since v0.1.0) Set thickness style attribute flag to thin
  • \x1B[3m (Since v0.1.0) Enable italic style attribute flag
  • \x1B[4m (Since v0.1.0) Enable underlined style attribute flag
  • \x1B[7m (Since v0.1.0) Enable color inversion style attribute flag

  • \x1B[22m (Since v0.1.0) Set thickness style attribute flag to regular
  • \x1B[23m (Since v0.1.0) Disable italic style attribute flag
  • \x1B[24m (Since v0.1.0) Disable underlined style attribute flag
  • \x1B[27m (Since v0.1.0) Disable color inversion style attribute flag

  • \x1B[30m (Since v0.1.0) Set foreground color to black
  • \x1B[31m (Since v0.1.0) Set foreground color to red
  • \x1B[32m (Since v0.1.0) Set foreground color to green
  • \x1B[33m (Since v0.1.0) Set foreground color to yellow
  • \x1B[34m (Since v0.1.0) Set foreground color to blue
  • \x1B[35m (Since v0.1.0) Set foreground color to magenta
  • \x1B[36m (Since v0.1.0) Set foreground color to cyan
  • \x1B[37m (Since v0.1.0) Set foreground color to white
  • \x1B[38;5;nm (Since v0.1.0) Set foreground to n from Color table.
  • \x1B[38;2;r;g;bm (Since v0.1.0) Set 24-bit foreground color to r, g, b (decimal 0-255)
  • \x1B[39m (Since v0.1.0) Reset foreground color to default

  • \x1B[40m (Since v0.1.0) Set background color to black
  • \x1B[41m (Since v0.1.0) Set background color to red
  • \x1B[42m (Since v0.1.0) Set background color to green
  • \x1B[43m (Since v0.1.0) Set background color to yellow
  • \x1B[44m (Since v0.1.0) Set background color to blue
  • \x1B[45m (Since v0.1.0) Set background color to magenta
  • \x1B[46m (Since v0.1.0) Set background color to cyan
  • \x1B[47m (Since v0.1.0) Set background color to white
  • \x1B[48;5;nm (Since v0.1.0) Set background to n from Color table.
  • \x1B[48;2;r;g;bm (Since v0.1.0) Set 24-bit background color to r, g, b (decimal 0-255)
  • \x1B[49m (Since v0.1.0) Reset background color to default

  • \x1B[90m (Since v0.1.0) Set foreground color to bright black
  • \x1B[91m (Since v0.1.0) Set foreground color to bright red
  • \x1B[92m (Since v0.1.0) Set foreground color to bright green
  • \x1B[93m (Since v0.1.0) Set foreground color to bright yellow
  • \x1B[94m (Since v0.1.0) Set foreground color to bright blue
  • \x1B[95m (Since v0.1.0) Set foreground color to bright magenta
  • \x1B[96m (Since v0.1.0) Set foreground color to bright cyan
  • \x1B[97m (Since v0.1.0) Set foreground color to bright white

  • \x1B[100m (Since v0.1.0) Set background color to bright black
  • \x1B[101m (Since v0.1.0) Set background color to bright red
  • \x1B[102m (Since v0.1.0) Set background color to bright green
  • \x1B[103m (Since v0.1.0) Set background color to bright yellow
  • \x1B[104m (Since v0.1.0) Set background color to bright blue
  • \x1B[105m (Since v0.1.0) Set background color to bright magenta
  • \x1B[106m (Since v0.1.0) Set background color to bright cyan
  • \x1B[107m (Since v0.1.0) Set background color to bright white

Unicode special codepoints

  • NUL \x00 (Since v0.1.0): Clear screen
  • SOH \x01 (Since v1.0.0): Set title (start)
  • STX \x02 (Since v1.0.0): Turn off RAW mode
  • ETX \x03 (Since v1.0.0): Turn on RAW mode
  • EOT \x04 (Since v1.0.0): Set title (end)
  • ENQ \x05 (Since v1.0.0): Print “column/columns;line/lines” to stdin (skips buffer)
  • ACK \x06 (Since v1.0.0): Remove “column/columns;line/lines” from stdin
  • BEL \x07 (Since v0.1.0): Visual alert
  • BS \x08 (Since v0.1.0): Move cursor back one column
  • TAB \x09 (Since v0.1.0): Move cursor to the next tab stop (always every 8 columns)
  • LF \x0A (Since v0.1.0): Clear until end of line, move cursor to the beginning of the next line
  • VT \x0B (Since v0.1.0): Move cursor to the beginning of the next line without clearing
  • FF \x0C (Since v0.1.0): Move cursor to next line, keeping same column
  • CR \x0D (Since v0.1.0): Return cursor to start of line
  • SO \x0E (Since v1.0.0): Alternate screen off - Go to shell prompt
  • SI \x0F (Since v1.0.0): Alternate screen on

Raw Mode

This mode can be switched on and off. Default is off.

Enabling changes:

  • Stdout/Stdin is not written to the screen
  • Stdin is not buffered until newline
  • All keyboard shortcuts are intercepted
  • Stdout does not move the cursor on newline characters