If you have a room full of furniture, you could try describing it. The description should be able to tell you what the room looks like: three paper lanterns of various shapes hanging from the ceiling, beige and dark raw umber1 colored wood, four books and a glass on the table, etc.
You might also be interested in these discussions:
- Using paintings as palaces - #5 by Josh
- Miniature memory palaces - including your palm (iirc, somewhere in the middle are posts about memorizing paintings)
1 a pigment that is something like this: 