hi im looking for some help with someone with leds and a yellow fish. i know it sounds weird but when i turn only my royal blue leds on all the colors in the tank are extremely bright except yellow. i have a yellow tang, a yellow watchman goby, and a hippo tang with the yellow tail and all the yellows just turn black. like all i see on my watchman goby is a black body and bright neon spots. same for the yellow tang, black body and very bright spots on the tail. and the hippo tang looks really cool it turns like kind of an indescribable blue like a very cool looking bright aqua color but its tail turns black. its not a big deal or bad or anything i was just wondering if anyone else noticed this also.