MTN 94 Spray Paint - Atmosphere Blue is a low pressure semi-transparent .These versatile spray cans will provide artists, craftsmen and your everyday DIY'er precise control to achieve your finish and effects with ease. Now with 216 high opacity colours in its range you will never be short of producing your best work. Montana Colors MTN 94 Transparent Blue is a Transparent Blue effects can that allows you to gently build up blue hues when and where you need them.