An olive green dress pairs best with warm neutrals and earth tones: chocolate, camel, cream, cognac and gold, with burgundy and rust for contrast. Among designer maxi dresses, olive works because it behaves like a neutral yet still reads as colour, so the outfit around it can stay simple. The Clash Cruise 2027 greens from Zimmermann at Coveti, olive, sage, bottle green and dark olive, make a useful palette to build from.