color.
Gray can be perceived as emotionally distant or disconnected, and it’s associated with morally questionable matters as well. It’s neither one thing nor the other–as in "gray area," and we can think of it as being indecisive. And though we
associate gray with wisdom, the millions of dollars spent on coloring gray hair each year indicates we don’t actually love gray when it comes to hair.
CMYKH (c, m, y, k): (0, 0, 0, 34)
SRGBB (r, g, b): (169, 169, 169)
HSV (h, s, v): (0°, 0%, 66.3%)