In literary usage, the color "bitter lemon" appears as a striking and unconventional descriptor that invites readers to see beyond the literal. For instance, in [1] it is listed alongside vivid images like horses, cats, and gorgeous eyes, where "bitter lemon" contributes an unexpected burst of color that carries both zest and an edge. This creative use suggests that authors use the term to evoke a bright, tangy hue with an undercurrent of complexity, challenging readers to associate a sensory flavor with a visual impression.