Under "Configuration > Layout Setting", it would be nice if we could add the HEX colours ourselves. So instead of having a radio button to select the colour, we would have a box to enter the colour for Header Style, Calendar Style, Calendar Activated, Progress Bar, Time Slots, etc...
This way it's easier for us to use colours that match our website.
It's great suggestion, i will add free text fields for those configure options which allow you to add custom CSS classes for those elements. And then, you can define the CSS for those custom classes.