The hex color #f1d15e is a light color. The web-safe version is Hex
#FFCC66. A complementary color is
#0E2EA1. The grayscale version is
#B5B5B5. A 20% lighter version of the original color is
#FFFF91, and Hex
#BE9E2B is the 20% darker color. If the color is saturated by 10%, you get
#F7D455. If the color is desaturated by 10%, the color
#EBCE67 is obtained.