Well... I while the LED boards were about 2x brighter, I finally got tired of the purplish hue and put the original Samsung LED bulbs back in. In the meantime they came out with a perfectly matching (and even little brighter) 42mm bulbs. Now everything is pure white, love it!
Back to these, the 194's I also already had in my license plate lights.
Samsung White LED T10 921 License Plate Interior SMD Light Bulbs Bulb High Power | eBay
Samsung Chip LED Map Dome Interior Light Bulbs 6000K White 42 mm Festoon | eBay
Just finished reading this entire post while my tints are being installed. Is the OP updated with the latest and greatest?