iron grey

/ˈaɪərn ɡreɪ/
adjective
  1. A dark gray color that looks like the color of iron (British spelling variant of iron-gray).
    • The clouds turned an iron-grey before the storm broke.
    • He wore an iron-grey suit to the formal dinner.
    • The castle walls were made of iron-grey stone.
Synonyms
What does "iron grey" mean? | whatsthatwordmean | whatsthatwordmean