Ypsilon Picker 🎨

Authors: ChatGPT by OpenAI & Engin Ypsilon by class:Parent()

Overview

➜ Compatibility: GNOME 45 & 46 (tested on 46)

Ypsilon Picker is a minimalistic and GNOME-native color picker extension. It allows you to point anywhere on the screen and instantly retrieve the RGB and HEX values of the selected color in a terminal.

Features

• ✅ Fully GNOME-based – Works on any GNOME installation (Wayland & X11)
• ✅ Wayland-compatible – Works seamlessly with modern GNOME on Wayland, unlike traditional X11-based pickers.
• ✅ Simple & lightweight – No extra dependencies, just point & pick (less than 80 lines of code).
• ✅ Opens in a terminal – Displays the selected color's RGB & HEX values

Alternative

Ypsilon Picker (PHP CLI)

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Installation

1. GNOME Extensions

• Install via extensions.gnome.org (coming soon).
• Enable the extension:

gnome-extensions enable ypsilonpicker@gnome

2. Manual Installation

• Clone this repository:

git clone https://github.com/eypsilon/ypsilonpicker-gnome.git ~/.local/share/gnome-shell/extensions/ypsilonpicker@gnome

• Restart GNOME Shell:

# For X11
gnome-shell --replace & disown

or

# For X11
Alt + F2 → type r → Enter

or logout & login again (for Wayland)

Enable the extension:

gnome-extensions enable ypsilonpicker@gnome

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Usage

• Click the Ypsilon Picker icon in the GNOME panel.
• A tiny magnifying glass will appear, displaying the color under your cursor.
• The preview shows the exact color that will be picked when you click.
• Click anywhere on the screen to select a color.
• The RGB and HEX values will be displayed in the terminal.

Example Output

Click anywhere on the screen to pick a color...
RGB: 33 33 33
HEX: #212121