The hex color #88a9a0 is a light color. The web-safe version is Hex
#999999. A complementary color is
#77565F. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#BBDCD3, and Hex
#55766D is the 20% darker color. If the color is saturated by 10%, you get
#86AAA1. If the color is desaturated by 10%, the color
#8AA8A0 is obtained.