Secondary (fermentation) aromas are available during the fermentation, so a young wine will contain a variety of varietal and fermentation odors.
Mahogany can be a light brown color if left partial. https://persuasive-rabbit-kvlqwb.mystrikingly.com/blog/remy-martin-vsop-va-xo-gia-chao-ban-r-nh-t-r-u-d-m-b-o-hoa-h-c-l-ng