The orchid Phalaenopsis Yin's Romantic Indigo is a hybrid registered with the Royal Horticultural Society by Guo-Hong Yin in 2020.
Top three species ancestors and their influences are

• Phalaenopsis violacea (56.25%)  subgenus Polychilos  section: Zebrinae 
• Phalaenopsis micholitzii (25.00%)  subgenus Polychilos  section: Amboinenses 
• Phalaenopsis amboinensis (18.75%)  subgenus Polychilos  section: Amboinenses