The hex color #6AAAA0 is a light color. The web-safe version is Hex
#669999. A complementary color is
#95555F. The grayscale version is
#919191. A 20% lighter version of the original color is
#9DDDD3, and Hex
#37776D is the 20% darker color. If the color is saturated by 10%, you get
#66ACA1. If the color is desaturated by 10%, the color
#6EA89F is obtained.