Wikipedia defines Chartreuse as:
Chartreuse (UK /ʃɑːˈtrɜrz/, US /ʃɑːrˈtruːz/ or /ʃɑːrˈtruːs/; French pronunciation: [ʃaʁtʁøz]) (the web color) is a color halfway between yellow and green that was named because of its resemblance to the green color of one of the French liqueurs called green chartreuse, introduced in 1764. Similarly chartreuse yellow is a yellow color mixed with a small amount of green that was named because of its resemblance to the color of one of the French liqueurs called yellow chartreuse, introduced in 1838.
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