Achromatized means to make colorless or remove color from something. The antonyms for achromatized would be words that imply adding color, vibrancy or brightness. These antonyms may include words such as colorized, tinted, pigmented or vivid. Adding color or restoration of color can be achieved through various means like painting or dyeing or it could be the natural result of sunshine, radiant light or reflective surfaces. Achromatized could also imply a sense of dullness or blandness, making antonyms like liveliness, flamboyance or richness highly applicable. Thus, the antonyms for achromatized present a diverse range of words that can convey the opposite sense and evoke different emotions.