This is a cloister, but I've substituted lime juice for grapefruit juice, and green chartreuse for yellow (both decisions I made based on what I had in the house).

• 1-1/2 ounces gin
• 1/2 ounce green chartreuse
• 1/2 ounce lime juice
• 1/4 ounce lemon juice
• 1/4 ounce simple syrup