Smart Compact Mode in MixColors, MagicSquire, MagicPicker, MagicRefs in Adobe Photoshop and Illustrator
Tip#82: Use Compact Mode to speed up your creative work

Keep linked background to foreground w/eyedropper in MagicPicker color wheel
Tip#89: Auto-update background/foreground color relationship when using eyedropper
Color History
Panels Tips & Tricks. Tip#15: color history in MixColors