Half mourning dress, 1889-92. Victoria & Albert Museum.
Mourning in the Victorian era had three stages. Half mourning was the third and most relaxed one, when dresses and garments could include some colors (like white and purple) besides black.
Was proud that I got a lot done today, but after 10 hours the brain fog cometh. I've been trying to post this tweet for 20 minutes but I keep spacing out