The hex color #01b773 is a dark color. The web-safe version is Hex
#00CC66. A complementary color is
#FE488C. The grayscale version is
#646464. A 20% lighter version of the original color is
#34EAA6, and Hex
#008440 is the 20% darker color. If the color is saturated by 10%, you get
#00BF75. If the color is desaturated by 10%, the color
#0BAF71 is obtained.