The hex color #68B5E3 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#974A1C. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#9BE8FF, and Hex
#3582B0 is the 20% darker color. If the color is saturated by 10%, you get
#61B6E9. If the color is desaturated by 10%, the color
#6FB4DD is obtained.