2700K is "Warm/Yellow" (good for bedrooms); 5000K is "Daylight/Blue" (good for garages/workspaces).
Office buildings or those looking for high-efficiency certifications. Quick Checklist Before You Buy:
Buying light bulbs online is way more convenient than staring at a wall of boxes in a hardware store aisle, but knowing which site to click on depends on what you’re looking for.