ADJ with n
The 'okay' group
These adjectives indicate that someone likes or dislikes something. The noun group following with indicates the person or group who has the opinion.
She said he felt like her little brother; and that was okay with her.
This tomato has remained popular with gardeners all over the world.
In the case of all right, fine, and okay, the noun group following with sometimes indicates the thing that someone likes or finds acceptable.
all right fine okay popular unpopular
'I hope he's okay with heights,' Roberts said.