4300K is WHITE w/ a tinge of Blue, There's no yellow what''s so ever.
3000-3500K is Yellow

Also think about this, The higher the Kevlon number...the more color and less light output you get.

How much are you willing to spend and do you realize that you will not have highbeams if you do a single HID setup?

There are a few OE HID setups F/S here on TR, They can easily be adapted to fit your H4 application by just rebasing the bulbs.

For instance....https://www.tamparacing.com/forums/m...-w-gauges.html