Bright green is used often these days, so it's very contemporary. Also, it pairs well with neutrals and deep browns.
In a small space like an apartment, a pale color opens everything up.
Turquoise looks great with bold jewel tones and a modern design, but this particular shade isn't ideal for a traditional one.
If you're using bright, bold accessories like these orange chairs and and black sofa, white walls don't look boring.
This deep orange works because of the netural sofa and the wooden table and chairs. Spruce it up even more with wall art and accessories.