The simplest color picker for the command line written in Python.

pip install pycolorpicker

$ pycolorpicker
Click to copy the current color to the clipboard.
Press Ctrl-C to quit.
X: 1707 Y:  633 RGB: (250, 251, 237)
Color:
rgb (250, 251, 237)
hex #fafbed
Copied to clipboard.

• Start it once, move your cursor over the desired color, click to copy it to the clipboard.
• Selection can be done multiple times.
• Features live preview of the current color on which the cursor is.