Would it be possible to import the Hue cube from Photoshop when choosing color? MagicPicker plugin won't work when selecting gradient colors (it will just replace the gradient completely) and Color Picker doesn't allow for real-time changes, you need to select the color and press OK to see the change. Color tab works perfectly, but the available color palette is impractical to use. I have no clue why you are not using the same setup as in Photoshop, where the Color tab looks exactly like the Color Picker. People have been complaining about this for 4 years now.

Youtube video where I explain the issue: https://www.youtube.com/watch?v=u1nVKSEObZE