The hex color #88a3a7 is a light color. The web-safe version is Hex
#999999. A complementary color is
#775C58. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#BBD6DA, and Hex
#557074 is the 20% darker color. If the color is saturated by 10%, you get
#86A4A8. If the color is desaturated by 10%, the color
#8AA2A6 is obtained.