visual - Density-type puzzle: __________

I made another Density puzzle. This one is a bit simpler than my last one in that it has less steps, but at the same it feels a bit harder (though I can't judge that accurately as the creator). Here it is:

Solution: (8,8)

Hint 1:

The background colors are not arbitrary, as @Jens so brilliantly realized. In fact, they are very specific.

Hint 2:

To solve the dots, remember that Morse code has very specific rules for its use.

Answer

Solution is:

Untitled document

First part:

Morse in dots, where one black dot means "dot", and three is "dash". Three white dots are separator - UNTITLED

Second part:

What Jens found was close. Colours in this order as RGB are:
222,10,112
2,202,110
11,111,201
Which is in base-3 letters: ZCNBTLDMS
With shift by one (or caesar cipher +1) it is: A DOCUMENT