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corals and macros turn brighter, especially certain macros such as flame algae that will get more orange tips or blue occhtodes becoming more neon purple/blue after they've been growing for a few weeks in the higher kelvin lighting. With corals, different clades and amounts of zooxanthellae change with different lighting and other environmental conditions that show different accessory pigments, which also respond to higher kelvin lighting. Lots of times I would buy what looked like drab-colored corals and after a couple of weeks under high kelvin lighting they would become much brighter colors, even at the middle of the day cycle when the lighting coloration would be appear lower kelvin and majority white lighting. I really noticed a change in coral and macro colors when I started having prolonged sunrise/sunset cycles with the high kelvin lighting.
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