Lights can improve the general quality of your calls. The best light will always be the natural one from a window.
Here are some tips:
❌ Figure: Bad example - Overexposed kitchen
✅ Figure: Good example - Person is the brightest subject in the frame
A good tip from The Spruce blog is to position your home office station facing north or south so that the sunlight doesn't throw a shadow at any point during the day, making you move your setup frequently.
Figure: See how different lighting setups can impact remote meetings videos