Are my Flowerhorns OK?

[Fisherman45]

I bought 2 flowerhorn from petco and I’ve had them for 8months are they supposed to have vibrant colors cause there a pale green and don’t have the thing on there head It’s my first time owning flowerhorn

 

[Rutrag]

I bought 2 flowerhorn from petco and I’ve had them for 8months are they supposed to have vibrant colors cause there a pale green and don’t have the thing on there head It’s my first time owning flowerhorn

There is a pretty big range of colors and quality when it comes to flowerhorns. The kok (knot on head) is more predominant in males and grows over time, again depending on the quality.