The hex color #6b9faf is a light color. The web-safe version is Hex
#669999. A complementary color is
#946050. The grayscale version is
#939393. A 20% lighter version of the original color is
#9ED2E2, and Hex
#386C7C is the 20% darker color. If the color is saturated by 10%, you get
#67A0B2. If the color is desaturated by 10%, the color
#6F9EAC is obtained.