Deer and similar animals see the ultraviolet glow not the orange color. That's why modern hunting specific detergents to not contain UV brighteners.
Regular and Cheer Free powder do not contain these. The Cheer Free also does not contain any scents......
There are also "eco-friendly" brands that do not.
And they show how badly the UV end of the spectrum is is enhanced by putting a black light to a white t-shirt....
Keep in mind that your wash machine is probably pretty full of these right now, as they are not biodegradable. A thorough rinsing is probalbly required.