Most chartreuse is a unique hue that sits between green and yellow. However, if you're looking for antonyms to this color, then you might consider shades that differ from chartreuse. Some colors that would be antonyms to most chartreuse include red, orange, pink, blue, and purple. These colors are located on the opposite side of the color wheel, which means that they have a different hue, saturation, and lightness. Additionally, you could describe colors as muted, pastel, or monochromatic if you wish to use more descriptive antonyms. Regardless of the antonyms, it is clear that most chartreuse stands out as a distinct color in the spectrum.