Your question opens up a lot of other questions.
There antifreezes with more than one combination of corrosion inhibitors with orange/gold/yellow dye. There are more than one antifreeze compounds with green dye (ethylene glycol base or propylene glycol base).
The most common orange AF is probably GM's DexCool. The most common green AF is the ordinary green ethylene glycol stuff. When mixed they work OK, but you end up with the shortest anticorrosion protection, 2 years at best.
The corrosion inhibitors become depleted before the antifreeze capabilities of the ethylene glycol wear out (if ever). Follow the recommendation on the label for the length of service (usually 2 years or 5 years), or use a voltmeter to test the system. Put one probe into cool coolant in the radiator neck. Put the other probe on the battery negative post. If you read 0.3 volts DC or less, the inhibitors are probably still doing their job. If the voltage is higher, the inhibitors are depleted and your cooling system has become a galvanic battery cell destroying the more active metals.
The type of corrosion inhibitors in the antifreeze to use depends on the metals inside the cooling system. Plus, Europeans prefer AF without phosphates due to the high concentration of minerals in some of their tap water. The Japanese prefer no silicates in their AF due to the way they design their water pumps. There are phosphate, silicate, borate, combinations of those two or three, organic acid technology (OAT/DexCool), a different organic acid compound (OAT/not-DeathCool), and hybrid organic acid technology (HOAT) corrosion inhibitor packages.
So...what to do? I prefer to use any motorcycle specific antifreeze (but these usually have only 2 year protection), or any Japanese auto antifreeze, or Zerex Asian Engine Formula antifreeze. If you buy a concentrate to mix with water, use distilled water especially if your tap water contains much mineral. Our engines seem to be very tolerant of just about any antifreeze, and we haven't seen reports that relate to problems with any antifreeze, nor with neglected systems.
Here's a good article:
Learning Coolant Fundamentals