The hex color #42aadb is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#BD5524. The grayscale version is
#989898. A 20% lighter version of the original color is
#75DDFF, and Hex
#0F77A8 is the 20% darker color. If the color is saturated by 10%, you get
#39ACE2. If the color is desaturated by 10%, the color
#4BA8D4 is obtained.