change of color

• Phrase décrivant un décalage visible de teinte ou de ton, utilisée souvent au sens propre (par exemple, le changement de couleur des feuilles en automne) ou au sens figuré pour indiquer une modification de l’apparence, de l’humeur ou de l’engagement.

A phrase describing a visible shift in hue or shade, often used literally (e.g., leaves changing in autumn) or figuratively to indicate a change in appearance, mood, or allegiance.

1. Alteration in hueB1formal

   A shift or transformation in the color of an object, surface, or substance.

   changement de couleur

   • The leaves undergo a change of color in autumn.
   • The chemical reaction caused a change of color in the solution.
   • The paint showed a change of color after exposure to sunlight.

2. Skin discolorationB1formal

   A visible alteration in the natural color of skin, often due to health, emotion, or injury.

   changement de couleur de la peau

   • A change of color in the skin can indicate a bruise.
   • His face underwent a change of color when he heard the news.
   • The doctor noted a change of color around the wound.