I don't think I'd ever use yellow. It would be very hard to get right. You'd aim for something like this... But end up with something like this...

Bench seats can also double as handy storage.

@jperera Looks like you have an awesome view! I would consider how you might use some timber to add some warmth to the space. Perhaps a bench seat or ...

@jperera Great space. But it's definitely a good idea to soften it a little with some greenery. Vertical gardens are great for balconies as a real spa ...