Brian-
I hunt in a Ghillie a fair bit and my experience is that FOR GAME ANIMALS it's the suit's ability to wipe out the human form that is the key. I don't think it has ANYTHING to do with the color. I honestly think you could make a suit from various shades of orange and, if it is full enough and has contrasting colors it would be effective.
Again, just my opinion but... I think too many bow hunters get wrapped up in the idea that their Ghillie Suit has to be on the same level as a military style Ghillie. We are trying to fool deer, not enemy snipers with binocular color vision and optics.
If your idea of adding florescent orange strips meets the letter of your hunting laws I think it will work. Some hunting laws specify (this is Oklahoma's law just for example)...
"All hunters participating in any antelope, bear, deer or elk season using a firearm (muzzleloader or gun) must wear both a head covering and an outer garment above the waistline, both totaling at least 400 square inches of hunter orange that are clearly visible while in the field. ... Camouflage hunter orange is legal as long as there are at least 400 square inches of hunter orange."
"Antelope, bear, deer or elk hunters using archery equipment during any antelope, bear, deer or elk firearms (muzzleloader or gun) season in any open hunting area (zone, county, or area) must conspicuously wear either a head covering or an outer garment above the waistline consisting of hunter orange. Camouflage hunter orange is legal."
The "outer garment above the waistline" specification leads to the idea of a solid block of color like a vest. Also, even though camouflage hunter orange is legal, the amount of orange in it must be at least 400 sq. inches anyway.
Ghillie Suits are a cool way to hunt! I really enjoy mine but safety is the number one consideration. You might run your idea past a Game Warden or Conservation Officer just to get a take on what their decision in the field would be.
Let us know what they say.
OkKeith