The word "co-lures" is a relatively uncommon term in the English language, which refers to the practice of using color to attract attention. However, there are various synonyms that could be used in place of this word, depending on the context. These include terms such as coloration, pigmentation, hue, tint, shade, and tone, all of which refer to the color or appearance of an object or surface. Additionally, more descriptive terms such as vibrant, bold, vivid, or muted could also be used to convey a particular color or visual effect. Ultimately, the choice of synonym will depend on the intended meaning and emphasis of the sentence in which it is used.