The hex color #04b4be is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FB4B41. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#37E7F1, and Hex
#00818B is the 20% darker color. If the color is saturated by 10%, you get
#00BAC5. If the color is desaturated by 10%, the color
#10AEB7 is obtained.