Aluminium

is a very unsaturated light cold azure

Blue is a cool calming color that shows creativity and intelligence. It is a popular color among large corporations, hospitals and airlines. It is a color of loyalty, strength, wisdom and trust. Blue has a calming effect on the psyche. Blue is the color of the sky and the sea and is often used to represent those images.
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Goes well with complementary color

Tide

# B5B0A8

or triadic complementary

Green Spring

# ADB5A8

and triadic complementary

Pink Swan

# B5A8AD

To a colorblind person appears

Silver Chalice

# aeaeae