Gemstone color grading system for the Web

Color description  (GIA notation):

very light

light; strong

light; vs greyish /brownish

m light; strong

m light; vs greyish /brownish

m light; sl greyish /brownish

medium; strong

medium; vs greyish /brownish

medium; sl greyish /brownish

med dark; strong

med dark; vs greyish /brownish

dark

Red

orangey Red

n/a

n/a

n/a

n/a

n/a

n/a

reddish Orange

Orange

n/a

n/a

n/a

n/a

n/a

n/a

orangey Yellow

n/a

n/a

n/a

n/a

n/a

n/a

Yellow

greenish Yellow

n/a

n/a

n/a

n/a

n/a

n/a

yellowish Green

slightly yellowish Green

n/a

n/a

n/a

n/a

n/a

n/a

Green

very slightly bluish Green

bluish Green

n/a

n/a

n/a

n/a

n/a

n/a

very strongly bluish Green

Green-Blue or Blue-Green

n/a

n/a

n/a

n/a

n/a

n/a

very strongly greenish Blue

very slightly greenish Blue

n/a

n/a

n/a

n/a

n/a

n/a

Blue

violetish Blue

n/a

n/a

n/a

n/a

n/a

n/a

bluish Violet

Violet

n/a

n/a

n/a

n/a

n/a

n/a

bluish Purple

n/a

n/a

n/a

n/a

n/a

n/a

Purple

reddish Purple

n/a

n/a

n/a

n/a

n/a

n/a

strongly purplish Red

slightly purplish Red

n/a

n/a

n/a

n/a

n/a

n/a

Grey

n/a

n/a

n/a

n/a

Placing the cursor over the top right corner of the pattern displays the color ID, description and web RGB code.