what is the best mini downlight black type?

Below style is the best and popular style

1. white frame+ black middle ring

2. white frame + white middle ring

3. black frame + black middle ring

Hole size for it: 35mm 55mm, 70mm, power ranges from 3W to 12w

I-engile ye-Beam 24 °

This mini spotlight is widly used in cabinet, ceiling lighting.