It's not yellow at all - it's a beige which appears yellow in places due to the incandescent lighting...
...you tell this from the back wall which appears almost greenish from the daylight coming through the skylights.

This is why choosing paint color based on a photograph of someone else's home on a computer screen will never get you the results you seek.

A similar color to try is Grand Teton White OC-132 by Benjamin Moore.

bm grand teton white

THAT is my clock...please can you provide any information on it...was passed down to me in family close to or over 200 years !!