Test color variable font

[Nicolien (Nicolien van der Keur)]

Glyphs version: 2.6.5. (1322)
Mac OS 10.15.4

Hi, how can I test a colored variable font. I tried Dinamodarkroom and Axis Praxis, but that does show the variable font only in black.
Thanks for the help.

[Nicolien (Nicolien van der Keur)]

Solved. The problem was that the colors where made in CMYK and not in RGB.

[mekkablue (Rainer Erich Scheichelbauer)]

True. You can only have RGB.