What is the rarest color of sea glass?

Answer 1

There are many rare colors, and many that are not. I will list them by category for you:

Common Sea Glass Colors

• White or Clear
• Ambers & Browns
• Light Green, Seafoam Green or Pastel Green
• Kelly Green or Uncola Green
• Olive and Drab Greens

Uncommon Sea Glass Colors

• Cobalt Blue
• Cornflower Blue, Light Blue or Sapphire
• Aquamarines, Teals
• Milk Glass or Opaque White

Rare Sea Glass Colors

• Red
• Jadeite or Opaque Green
• Deep Blue-Greens
• Lime Green

Very Rare Sea Glass Colors

• Torquoise
• Pink
• Pale Lavender
• Dark Purple

Ultra Rare Sea Glass Colors

• Neon Yellow
• Golden Yellow
• Black Glass
• Orange
• Grey
• Riesling Blue
• Marbles
• Porcelan Dolls
• Opalescent Glass
• Slag Glass
• Multi Colored
• Bonfire Glass
• Opaques in all colors other than white or green
• Pieces with patterns, words, letters or numbers

I got that information from:

http://www.naturalseaglass.com/seaglasscolors.html

A very helpful website, if I may say so :)