The hex color #a1a5ab is a light color. The web-safe version is Hex
#999999. A complementary color is
#5E5A54. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#D4D8DE, and Hex
#6E7278 is the 20% darker color. If the color is saturated by 10%, you get
#A1A5AC. If the color is desaturated by 10%, the color
#A1A5AA is obtained.