Flag created by CincyFlags for the neighborhood. 
Its symbolism, according to CincyFlags in [1]:
"The central symbol of the flag is an illustration of the Clifton’s iconic Gaslights.
The radiating orange glow represents the open mindedness of the Clifton community.
The green circle represents the Temple of Love at Mt. Storm.
Blue for the water from the fountain at the corner of Clifton and Ludlow.
Green for Clifton’s ecological dedication.

Orange and Yellow for the flame and guiding light of the Gaslight."
https://www.cincyflags.com/clifton
CincyFlags