Chameleons, the most iconic color-changing species on earth, contain specialized cells chromatophores that help to change body color to hide, communicate, and showcase emotions.
Seahorse contains specialized skin that has pigments that allow them to change color within seconds, it helps them to blend with corals, seaweed, or sand to trick other creatures and regulate body temperature.
Arctic Hare changes their colour seasonally in winters they turn white fur for snow camouflage and in summers they turn brown to blend with rocks or the environment.
Crab Spiders have the ability to change their colors to match their surroundings like flowers this helps them to catch prey easily.
Rock Ptarmigans are birds who can change their color seasonally, in winter "white" to hide in the snow, and in summer "brown" to blend with rocks and vegetation.
Cyanea Octopus has cells like chromatophores that help them to change their color and texture to blend with surroundings from camouflage, communicating other octopuses and mimic rocks, corals and other creatures.
Pacific Tree Frog changes their color rapidly to blend with the environment can be green, brown, and gray.