or technically crocus – #115 of Quince's color wheel.
Olive Clough begot Olive Ziegler – aunt and cousin of my grandmother Mildred, who later married Harold – brother of Olive Welch. Olive must have been a popular name back then. Olive is also a double-breasted cardigan in chunky wool, worn so well by Juliet.
You'll find my Olive pattern for sale on ravelry, craftsy, also linked from my website, here.