The antonyms for the word "pearl grey" are quite diverse. One could say "black," "white," "bright," "vivid," "neon," "flashy," "multicolored," and "rainbow." Each of these words suggests a completely different color and connotation. Black, for instance, evokes images of elegance, strength, and sophistication. On the other hand, white embodies purity, innocence, and calmness. Bright colors like neon and flashy are exciting, energetic, and daring. Finally, multicolored and rainbow are playful, adventurous, and whimsical. In summary, the antonyms for pearl grey present a wide range of options, each with its unique meaning and flavor.