ivory is:exact

Not on Stackage, so not searched. Safe embedded C programming.
#FFFFF0, rgb(255, 255, 240), hsl(60, 100%, 97%)
Defined in SVG1.1 as
ivory = rgb(255, 255, 240)

Example

>>> import Codec.Picture as JP

>>> import Codec.Picture.Png (writePng)

>>> let ColorSRGB r g b = ivory

>>> let img = JP.generateImage (\_ _ -> JP.PixelRGB8 r g b) 200 34

>>> writePng "files/svg/Ivory.png" img