Decisions, decisions
I think we can safely leave the choice of colour to you
Aperture? There is really no question - as large an aperture as you can afford, handle, transport, use etc.
So the questions to answer are:-
1. Cost? But, averaged out over the life of the scope, the extra is not much.
2. Bulk/volume - ability to handle and transport?
3. Weight - ability to handle and transport?
4. What focal length? How high will the eyepiece be? Can you observe with feet on the ground or will need a step or two? How will you be if you need steps?