Sight

Mature Vintage Port Very Old Vintage Port
10 Brick Red 10 Deep Brown
9 Brownish Red 9 Sienna Brown
8 Brown 8 Deep Tawny
7 Deep Brown 7 Tawny Brown
6 Sienna Brown 6 Deep Amber
5 Tawny Deep Brown 5 Pale Amber
4 Tawny Brown 4 Onion Brown
3 Onion Brown 3 Pale Onion Brown
2 Pale Onion Brown 2 Ver Pale Onion Brown
1 Ver Pale Onion Brown 1 Insipid
Dry Sherry
Viscosity
10 Very Pale Straw
10 14% + Alcohol
9 Pale Straw 9 13%
8 Mid Straw 8 12%
7 Deep Straw 7 11%
6 Straw
6 10%
5 Light Amber
5 9%
4 Deep Amber 4 8%
3 Tawny 3 6% Low Alcohol
2 Deep Tawny
2 5% Low Alcohol
1 Onion Brown 1 1% Low Alcohol
Brilliance Depth
10 Brilliant 10 Opaque
9 Bright 9 Almost Opaque
8 Crystal Clear
8 Very Deep
7 Vivid 7 Deep
6 Very Clear
6 Medium Deep
5 Clear 5 Medium
4 Shady 4 Light
3 Flat 3 Very Light
2 Dull 2 Near Insipid
1 Cloudy 1 Insipid