Hi Saburina,
If you are looking for cabinet lighting, you can use the Sensio lighting wizard or Task lighting which you can obtain by signing into your 2020 account on 2020spaces.com and downloading them. Click HERE to sign into your account and find the catalog.
You can also use the lighting fixtures available in the ROOM_FUR catalog (note that there are only lighting fixtures in said catalog). You can also find lighting from within the cloud browser. You can modify the color of these lights and its intensity by right clicking on the fixture and going to Light Properties.
Hope this helps a bit.
Kris