The hex color #3ca49f is a light color. The web-safe version is Hex
#339999. A complementary color is
#C35B60. The grayscale version is
#808080. A 20% lighter version of the original color is
#6FD7D2, and Hex
#09716C is the 20% darker color. If the color is saturated by 10%, you get
#35A8A2. If the color is desaturated by 10%, the color
#43A09C is obtained.