HTML colors sorted by edibility

Food tier

 Tomato - My favorite food!

 Bisque

 Olive

 DarkOliveGreen

 Plum

 Chocolate - Mmm!

 BlanchedAlmond

 LemonChiffon

 MintCream

 PapayaWhip

 Orange

 DarkOrange

 PeachPuff

 Honeydew

 Salmon

 LightSalmon

 DarkSalmon

 Lime

 LimeGreen

 Fuchsia - Apparently fuchsia is a berry! I didn't know that.

Weird food tier

 Cornsilk

 Lavender - I did check, and apparently all of these flowers are edible.

 Violet

 BlueViolet - Apparently a species of violet.

 DarkViolet

 Thistle

 CornflowerBlue

 Orchid

 MediumOrchid

 DarkOrchid

 GoldenRod

 PaleGoldenRod

 LightGoldenRodYellow

 DarkGoldenRod

 MistyRose

 FloralWhite

 LawnGreen

 ForestGreen - I suppose tree leaves are edible.

 Snow

 Aqua - More drinkable than edible, really.

 Chartreuse - Did you know this is a type of liquor?

 Wheat - Awfully chewy on its own.

Things you could probably eat if you tried?

 Moccasin - Made of leather.

 RoyalBlue - Eat the rich!

 CadetBlue - Eat the military too!

 DodgerBlue - Apparently based on the color of a baseball team's uniform.

 Coral - I think they're mostly calcium carbonate exoskeletons.

 LightCoral - Even more calcium carbonate, I guess.

 SeaGreen - Sea water isn't even a good drink, but maybe the darker hues have some nutritional algae or something?

 MediumSeaGreen

 DarkSeaGreen - Why is this one lighter than SeaGreen and MediumSeaGreen?

 LightSeaGreen

 SeaShell - Crunch

 SaddleBrown

 Linen - Yuck, fabric.

 OldLace

 Khaki

 DarkKhaki

 OliveDrab

Hard to chew

 BurlyWood

 Ivory

Minerals

 Sienna - Pigment

 Indigo - Pigment

 IndianRed - Pigment

 SlateBlue

 SlateGray

 MediumSlateBlue

 DarkSlateBlue

 LightSlateGray

 DarkSlateGray

 SandyBrown

 FireBrick

 Gold

 Silver

 Aquamarine

 MediumAquaMarine

 PaleTurquoise

 MediumTurquoise

 Turquoise

 DarkTurquoise

 LightSteelBlue

 SteelBlue

Too big

 Navy - I know I said eat the military, but you can't eat an entire navy, especially if you include the boats.

 Peru - This is a country.

Intangible

 WhiteSmoke

 SkyBlue

 LightSkyBlue

 DeepSkyBlue

 GhostWhite

 MidnightBlue




Vague

These are all the ones I couldn't categorize because they're not based on nouns.

 AliceBlue - This is a color named after a person, but it doesn't really represent that person.

 AntiqueWhite - Antique what?

 Azure

 Beige

 Black

 Blue

 Brown

 Crimson

 Cyan

 DarkBlue

 DarkCyan

 DarkGray

 DarkGreen

 DarkMagenta

 DarkRed

 DeepPink

 DimGray

 Gainsboro

 Gray

 Green

 GreenYellow

 HotPink

 LavenderBlush

 LightBlue

 LightCyan

 LightGrey

 LightGreen

 LightPink

 LightYellow

 Magenta

 Maroon

 MediumBlue

 MediumPurple

 MediumSpringGreen - I'm not recognizing the "spring green" colors as representing plants.

 MediumVioletRed

 NavajoWhite - This refers to the color of the flag.

 OrangeRed

 PaleGreen

 PaleVioletRed

 Pink

 PowderBlue - Powder?? What kind??

 Purple

 Red

 RosyBrown

 SpringGreen

 Tan

 Teal

 White

 Yellow

 YellowGreen