Gray lenses, balanced absorption of any color spectrum, no significant chromatic aberration, realistic and natural feeling, complete absorption of infrared light and 98% of ultraviolet light Teal lenses, absorb almost 100% of ultraviolet and infrared light, filter a lot of blue light, improve visual contrast and clarity Dark green lenses, absorb all infrared light and 99% of ultraviolet light, cool and comfortable, suitable for people with eye fatigue Blue-gray lenses, similar to gray lenses, with neutral lenses, but darker, higher absorption of visible light mercury lenses, high-density mirror coating can absorb and reflect more visible light, balanced absorption of any color spectrum, no significant chromatic aberration, suitable for outdoor sports people. Yellow lenses can absorb 100% of ultraviolet light and most of the blue light, in foggy and twilight time can improve the contrast, provide more accurate visual image, so also known as night vision goggles. Light blue, light pink, etc. are also more decorative than practical lenses.