Camouflage there is no background, the principal methods of camouflage are transparency, silvering, and countershading, while the ability to produce light is among other things used for counter-illumination on the undersides of cephalopods such as squid. Some animals, such as chameleons and octopuses, are capable of actively changing their skin pattern and colours, whether for camouflage or for signalling. It is possible that some plants use camouflage to evade being eaten by herbivores. Military camouflage was spurred by the increasing range and accuracy of firearms in the 19th century. In particular the replacement of the inaccurate musket with the rifle made
M90 (camouflage) the brown color in the FOA camouflage). Navy blue was chosen instead of black because natural shadows generally tend to be in shades of blue to the human eye. The M90 combat clothing entered service during the late 1980s, with widespread use beginning the early 1990s. It replaced the earlier olive green M59 field uniform. The uniform is available in several different models. The changing missions for the Swedish armed forces, with a heavier emphasis on missions abroad, has led to two new models. M90 (camouflage) M90 camouflage is the camouflage pattern for the uniform system 90, used by the