Peak mist, pale and watchful, guarding the valley below.
Sentinel is a pale grey, close to green.
It can be described as pale, delicate, faded and almost grey.
Set in black, because black reads best on it.
Mount Sentinel, originally known as "Mount Woody," is a small mountain located immediately east of the University of Montana in Missoula, Montana. At a height of 1,958 feet and an elevation of 5,158 feet (1,572 m), Mount Sentinel also features the hillside letter "M", a large concrete structure 620 feet (189 m) up its western face.
Read on WikipediaSentinel Dome is a granite dome in Yosemite National Park, United States. It lies on the south wall of Yosemite Valley, 0.8 miles (1.3 km) southwest of Glacier Point and 1.4 miles (2.3 km) northeast of Profile Cliff.
Read on WikipediaThe Sentinels are a group of mutant-hunting robots appearing in American comic books published by Marvel Comics. They first appeared in The X-Men #14, written by Stan Lee and illustrated by Jack Kirby. The original Sentinels were created by Bolivar Trask, and they are typically depicted as antagonists to the X-Men.
Read on WikipediaProper noun