Rams and most other cichlids are pigs. I don't usually have trouble with coloring and feeding, but I would not be surprised if they are being brats.
Also, by removing that odd male you have removed an intruder into the pair's space. One of the major reasons rams color up is to intimidate other intruding rams. They won't display their aggressive, stronger colors often because they have no need to do so now.
Something you might try is putting a mirror near the front glass of your tank to trick the rams into thinking there is another pair to fight. I have not tried it on rams, but I do know it is effective for kribensis.
Also, try feeding live or frozen foods as a treat on occasion, mixing up their diet is good for health and may make them happier and more colorful as well. Even if oranges are your all-time favorite fruit, eating them 24/7 will make you bored of them.
Also, by removing that odd male you have removed an intruder into the pair's space. One of the major reasons rams color up is to intimidate other intruding rams. They won't display their aggressive, stronger colors often because they have no need to do so now.
Something you might try is putting a mirror near the front glass of your tank to trick the rams into thinking there is another pair to fight. I have not tried it on rams, but I do know it is effective for kribensis.
Also, try feeding live or frozen foods as a treat on occasion, mixing up their diet is good for health and may make them happier and more colorful as well. Even if oranges are your all-time favorite fruit, eating them 24/7 will make you bored of them.