The hex color #2e9cb0 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#D1634F. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#61CFE3, and Hex
#00697D is the 20% darker color. If the color is saturated by 10%, you get
#269FB5. If the color is desaturated by 10%, the color
#3699AB is obtained.