The hex color #15ada3 is a dark color. The web-safe version is Hex
#009999. A complementary color is
#EA525C. The grayscale version is
#777777. A 20% lighter version of the original color is
#48E0D6, and Hex
#007A70 is the 20% darker color. If the color is saturated by 10%, you get
#0BB2A7. If the color is desaturated by 10%, the color
#1FA89F is obtained.