Rainbow antonyms | adjectives

Antonyms for Rainbow as a Adjective

• self-colored
• monochrome
• monochromic
• solid
• faded
• pale
• colorless
• monochromatic
• monotone
• achromatic
• bleached
• decolorized
• washed-out
• 

  dull
• faint
• gray
• neutral
• pallid
• unbrilliant