Sure please see below. The colors will resemble their Model F / Model M counterparts.
Pebble (top left keys), pearl (rightmost), dark gray (bottom left), black.

Industrial SSK Blue and Dark Gray – blue keys designed to match the original Industrial SSK color:
https://www.reddit.com/r/MechanicalKeyboards/comments/aponqy/test_fit_some_new_keycaps_from_ellipse_on_my_f122/
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