The hex color #978AA5 is a light color. The web-safe version is Hex
#999999. A complementary color is
#68755A. The grayscale version is
#979797. A 20% lighter version of the original color is
#CABDD8, and Hex
#645772 is the 20% darker color. If the color is saturated by 10%, you get
#9789A6. If the color is desaturated by 10%, the color
#978BA4 is obtained.