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Fastfetch is the system information tool that runs every time you open a terminal, displaying a custom ASCII logo alongside hardware and OS details. Unlike most other components in this rice, Fastfetch does not automatically pull colors from the wallpaper — its logo colors and label colors are defined statically in config.jsonc. The fastfetch-random script adds variety by picking a random config from a pool of 12 presets each time the terminal opens.

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File structure

~/.config/fastfetch/
├── config.jsonc                # Main config (logo, modules, colors, layout)
├── configs/                    # 12 preset configs (config1.jsonc – config12.jsonc)
├── noros/                      # Custom ASCII art logo files (.txt)
│   ├── shadow.txt              # Default logo used by config.jsonc
│   ├── noro.txt
│   └── ... (15 logos total)
├── archey.jsonc                # Alternative config (not used by default)
├── arch.txt                    # Alternative logo (not used by default)
└── ...                         # Other standalone logo and art files

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How colors work

Fastfetch does not automatically follow the wallpaper color pipeline. There are no Matugen or Wallust templates for Fastfetch, and no files in ~/.cache/ are generated for it. Colors are split into two layers:
  • Logo color: Set via logo.color in config.jsonc. The default value "38;5;14" is ANSI 256-color code 14, which is cyan. This is a static value — it does not change when the wallpaper changes.
  • Module label colors: Set inline in each module’s key string using ANSI escape codes in Fastfetch’s {#N} format, where N is a standard terminal color number (31 = red, 32 = green, 33 = yellow, 34 = blue, 35 = magenta, 36 = cyan, 39 = default).
  • Terminal color palette (the colors module): The color circles at the bottom of the output do reflect Wallust because they display the terminal’s own 16-color palette — but this is a side-effect of the terminal being themed, not something Fastfetch controls directly.
Fastfetch’s logo and label colors are static. If you want them to match a new wallpaper, you need to edit config.jsonc manually and update the logo.color value and any {#N} codes in the module key strings.

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Key configuration options

The following values come directly from config.jsonc:
OptionValueDescription
logo.source~/.config/fastfetch/noros/shadow.txtPath to the ASCII art logo file
logo.color["1"]"38;5;14"ANSI color code for the logo (256-color cyan)
logo.padding.top4Blank lines above the logo
logo.padding.left3Columns of space to the left of the logo
logo.padding.right3Columns of space to the right of the logo
display.separator" " (space)Character between the key label and its value
The modules array defines a bordered box layout using custom type modules for the box-drawing characters and typed modules for the actual data: 
{
    "key": "╭───────────╮",
    "type": "custom"
},
{
    "key": "│ {#31} user    {#keys}│",
    "type": "title",
    "format": "{user-name}"
},
{
    "key": "│ {#32}󰇅 hname   {#keys}│",
    "type": "title",
    "format": "{host-name}"
},
// ... more modules ...
{
    "key": "│ {#39} colors  {#keys}│",
    "type": "colors",
    "symbol": "circle"
},
{
    "key": "╰───────────╯",
    "type": "custom"
}
The {#31} through {#36} codes cycle through red, green, yellow, blue, magenta, and cyan for each row’s label icon.

​
Random config on terminal open

The fastfetch-random script picks a random config from ~/.config/fastfetch/configs/ each time it runs: 
#!/bin/bash

CONFIG_DIR="$HOME/.config/fastfetch/configs"

configs=("$CONFIG_DIR"/*.jsonc)

random_config=${configs[RANDOM % ${#configs[@]}]}

fastfetch --config "$random_config"
There are 12 configs in that directory (config1.jsonc through config12.jsonc), each with its own layout, logo choice, or color arrangement. The script is called from your shell’s rc file (~/.bashrc or ~/.zshrc) so a different layout appears on every new terminal.

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Custom ASCII logos

The noros/ directory contains 15 custom ASCII art files in plain text format. The default config.jsonc uses shadow.txt. To switch to a different logo, change the logo.source path in config.jsonc: 
"logo": {
    "type": "file",
    "source": "~/.config/fastfetch/noros/noro.txt",
    ...
}
Available logos in noros/: arch.txt, bloody.txt, cat.txt, comsmike.txt, delta.txt, dos.txt, logo.txt, noro.txt, poison.txt, shadow.txt, this.txt, TRaC.txt, univers.txt, whimsy.txt, X992.txt.

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