twilighty

hämyinen Resembling or suggesting twilight.
1913, D H Lawrence, Sons and lovers

When she was in the room, the kitchen seemed too small and mean altogether. Miriam's beautiful twilighty parlour looked stiff and stupid. All the Leivers were eclipsed like candles.

The air was hot and twilighty; but there was a nice smell somewhere. Bin sniffed curiously, wondering where the fragrance came from.