Green knee socks, lime green knee high sock, bright green knee hi socks, dark green socks. Green knee high socks have a variety of styles, shades, patterns and purposes. The shades of green include: bright green, lime green, kelly green, dark green and army/olive green. With so many shades, green socks can be worn at almost any occasion. Most shades are available for the athletic green knee sock which includes horizontal and vertical stripe patterns. The fashion green hi socks also include the option of argyle and rainbow green styles.