The hex color #2a6f57 is a dark color. The web-safe version is Hex
#336666. A complementary color is
#D590A8. The grayscale version is
#505050. A 20% lighter version of the original color is
#5DA28A, and Hex
#003C24 is the 20% darker color. If the color is saturated by 10%, you get
#267258. If the color is desaturated by 10%, the color
#2E6C56 is obtained.