The hex color #1a829f is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E57D60. The grayscale version is
#696969. A 20% lighter version of the original color is
#4DB5D2, and Hex
#004F6C is the 20% darker color. If the color is saturated by 10%, you get
#1285A4. If the color is desaturated by 10%, the color
#22809A is obtained.