Google calendar in black?

[jan_Kruize]

Hi there. I have my google calendar in homey dashboard. Is there a way to get it black?

[Peter_Kawa]

Hi Jan, and welcome.

TL;DR: No

Long version:
According to the manual I posted, only the top section should be adjustable:

However, these color settings aren’t there when I want to build the desired embedded url

Now, in the example url

I found a setting for, what I guess, background:
&bgcolor=%23ffffff
Like this:

But unfortunately it doesn’t make any difference when I try it with several HTML color codes