にっこうきすげじゃなかったです
日光黄菅じゃなかったです
nikkōkisugejanakattadesu

Noun
Desu Copula

The polite, past negative form of にっこうきすげ

1. Wasn't daylight yellow.; Wasn't a bright yellow.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana