kjagave

GoLang rewrite of Agave (legacy colorscheme designer tool for GNOME2) with a modern GTK3 interface and additional features.

features

• agave-style scheme generator modes:
  • triads
  • complements
  • split complements
  • tetrads
  • analogous
  • monochromatic
• compact top swatch cards with centered overlay metadata:
  • hex
  • rgb
  • hsv
• dynamic overlay text contrast (light/dark text based on background luminance)
• toolbar actions: back, forward, random, lighten, darken, saturate, desaturate, paste
• click a top swatch to promote it to the active base color
• right-click on top swatches and palette swatches to copy:
  • hex
  • hsv
  • rgb
• 12 built-in palettes:
  • Web-safe (legacy)
  • Material Design
  • Tailwind CSS
  • Flat UI
  • Pastel
  • Nord
  • Dracula
  • Solarized
  • Gruvbox
  • One Dark
  • Monokai
  • KiJiSH Dark Pastel Terminal
• favorites panel with add/remove/rename/clear
• clipboard copy/paste support
• screen picker support on X11 via xcolor or grabc
• persisted state in ~/.config/kjagave.json (last color, scheme, palette, favorites)

requirements

• go 1.21 or higher
• gtk3 development libraries
• gotk3 Go bindings
• optional for pick-from-screen: xcolor or grabc

installation

arch linux

cd archlinux
makepkg -si

manual build

cd src
go build -o kjagave .

running

./kjagave

usage

1. pick a base color with the color button, hex entry, palette swatches, or screen picker
2. choose a scheme type
3. click a preview swatch to make it the active base color
4. right-click a swatch to copy hex/hsv/rgb
5. use favorites controls (+, -, rename, clear) to manage saved colors