denisepattenson/perlin-terminal: Beautiful Perlin noise animation for your terminal — truecolor, 60fps, multiple themes

Beautiful Perlin noise animation for your terminal. Smooth, flowing gradients rendered in 24-bit truecolor using half-block characters for double vertical resolution.

• Truecolor rendering — Full 24-bit RGB color gradients
• Double vertical resolution — Uses ▀ half-block characters to render 2 pixels per cell
• Multiple color themes — Ocean, Fire, Aurora, Matrix
• Smooth animation — Multi-octave Perlin noise for organic, flowing motion
• 60 FPS — Optimized for smooth rendering
• Responsive — Handles terminal resize gracefully
• Clean exit — Ctrl+C / Q / Esc restores terminal state

cargo install --git https://github.com/denisepattenson/perlin-terminal

Or build from source:

git clone https://github.com/denisepattenson/perlin-terminal
cd perlin-terminal
cargo build --release
./target/release/perlin-terminal

# Default ocean theme
perlin-terminal

# Fire theme
perlin-terminal --theme fire

# Aurora borealis
perlin-terminal --theme aurora

# Matrix-style green
perlin-terminal --theme matrix

# Customize noise and speed
perlin-terminal --theme fire --scale 0.04 --speed 0.8

• Q or Esc — Quit
• Ctrl+C — Quit

Deep navy → royal blue → teal → cyan. Calm and mesmerizing.

Black → deep red → orange → yellow → white. Like staring into embers.

Purple → teal → green → pink. Northern lights in your terminal.

Black → dark green → bright green. You know the one.

• A terminal with 24-bit truecolor support (most modern terminals)
• Rust 1.70+

MIT