I'd go for a glass door to match your glass sidelight. Remove the shrubbery that is helping darken your entry and brighten up the paint as well.

If your home is contemporary you could look at Modern Steel Doors in LA. They have some nice styles that combine metal and glass.

Removing the bushes and adding a modern door with color will make it somewhat more noticeable. But the effect will be limited. The entry is dark because the color of siding and the eaves is very dark.

Would you consider painting the eaves a light gray? Would you consider painting the siding to the right of the door a lighter color (looks to be a wall of about 6 to eight feet long) as well as the door? That would put more light into the corner. How about widening the walkway, maybe with concrete pavers set in stone, all the way from the driveway to the area with the bushes are now, so the entrance is more visible?

I actually like that current door. original, yes? green or orange would look great next to the gray.

you could do more of a burnt orange to work w/the roman bricks.

wood would work too.

after you do the bushes, I'd consider staining or painting the porch concrete.

I think "wood look" door will look great here. I agree with Beth and like her ideas.