The hex color #bcc904 is a light color. The web-safe version is Hex
#CCCC00. A complementary color is
#4336FB. The grayscale version is
#838383. A 20% lighter version of the original color is
#EFFC37, and Hex
#899600 is the 20% darker color. If the color is saturated by 10%, you get
#C2D000. If the color is desaturated by 10%, the color
#B6C211 is obtained.