achromatic colour

Thân thiện

An achromatic colour like pure white is used for the background of this textbook page.

Definition

Noun: A color that lacks hue or chromatic content; it is one of the neutral colors: white, gray, or black. These colors are defined by their lightness only, not by a specific wavelength of light.

Usage

The term is used in technical, scientific, and artistic contexts to describe colors that are not found on the color spectrum. It contrasts directly with "chromatic colour" (like red, blue, or green).

Examples

• Noun:
  • The artist's early period was characterized by a palette of achromatic colours.
  • In physics, white light is a mixture of all wavelengths, yet it is perceived as an achromatic colour.
  • The design called for achromatic colour schemes to create a minimalist and modern feel.

Advanced Usage

• "achromatic colour vision": Refers to a type of vision deficiency (monochromacy) where an individual can only perceive lightness variations (black, white, gray).
  • Complete achromatic colour vision, or rod monochromacy, is a rare condition.

Variants and Related Words

• Achromatic (adjective): Having no hue; being of a neutral color like white, gray, or black.
  • She wore an achromatic outfit of black and white.
• Achromaticity (noun): The quality or state of being achromatic.
• Chromatic colour (noun): The direct antonym; a color possessing hue, such as red, yellow, or blue.

Synonyms

• Neutral colour
• Non-chromatic colour

Antonyms

• Chromatic colour
• Hued colour

Học thuật

Noun

1. a color lacking hue; white or grey or black

Từ đồng nghĩa

• achromatic color