Wiktionary
gunmetal-grey
a. Of a dark grey colour with a tint of blue. alt. A dark grey colour with a tint of blue. n. A dark grey colour with a tint of blue.
Usage examples of "gunmetal-grey".
The Colonel drew out a gunmetal-grey Ronson lighter and, turning his back to the wind, thumbed the long flame to life.
This was enhanced by his slanting forehead and short gunmetal-grey hair.
He had gunmetal-grey hair, decent cheekbones and a clipped gunmetal-grey beard.