Matte Grey leaves a visible step above black.
Low glare depends on the object itself.
Darker ink suits small labels.

Tints
#7b7b7c
#888889
#959596
#a3a3a3
#b0b0b0
#bdbdbe
#cacacb
#d7d7d8
#e5e5e5
#f2f2f2
#ffffff
Shades
#7b7b7c
#6f6f70
#626263
#565657
#4a4a4a
#3e3e3e
#313132
#252525
#191919
#0c0c0c
Triadic
#7b7b7c
#7c7b7b
#7b7c7b
Monochromatic
#505051
#656566
#7b7b7c
#939394
#a9a9aa
Analogous
#7b7c7c
#7b7b7c
#7c7b7c
Complementary
#7b7b7c
#7c7c7b