Antonyms for the word "more olive" could include lighter shades such as ivory, cream, or beige. Alternately, you could choose to use contrasting colors such as bright red, royal blue, or canary yellow as antonyms to "more olive". If you're thinking more in terms of flavor, antonyms for "more olive" might include sweeter, less bitter flavors such as honey, sugar, or vanilla. Whatever direction you choose to take, antonyms provide a useful tool for adding depth and contrast to your writing or color scheme. By exploring opposites to "more olive", you can create a richer web of language and imagery.