The hex color #7f99ff is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#806600. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#B2CCFF, and Hex
#4C66CC is the 20% darker color. If the color is saturated by 10%, you get
#7A96FF. If the color is desaturated by 10%, the color
#849CF7 is obtained.