Hello,
is there any way to remove the RNG colors from the colomns?
Hi @simenn, welcome to the forum! 
We can definitely remove those colors from the table.
Select the table and the column you want to remove the "tag" from:
Then, change the value of the "Format" property from "Tag" to "String," or select the datatype that works best for you.
Doing this for all the columns should do the trick:
Let us know if you have any questions! 