Colours (player-crafted, holiday, anniversary and customs) held by Kesqui of Contrasts:

(S) = Stallion of this colour.
(M) = Mare of the colour.
(P) = Pair of the colour.
Colours whose text is in red are not available for trade in any circumstances.
Colours whose text is in yellow are private/instable only trades
Colours whose text is in white are unrestricted (to my knowledge) trades - if you know they're restricted in some way please let me know, so I can alter my list.
Colours created by Kesquivalerian are in bold

Arabians - alphebetised Welsh Ponies - alphebetised Other Breeds - by breed
 

Albino (P)
Amber Dun Overo (P)
Amber Champagne (S)
Amber Marbled Tabby (S)
Anguis fragilis (S)
Aquamarine (S)
Ashen Gold (M)

Bay (S)
Bay Dun Silver (S)
Bay Frosty Roan with Snowcap (M)
Bay Roan (M)
Bitter Chocolate Black Frost (S)
Black (P)
Black Blanket (M)
Black Dun (S)
Black Rabicano (M)
Black Roan Sabino (M)
Black Roan Tovero(S)
Black Silver Tobiano (P)
Black Smoke Tortie Overoloosa (M)
Black Varnished Roan (M)
 Black Velvet Haloed Tobiano (S)
Black, White & Bay Extreme Sabino (M)
Blazed Buttercream Dapple (M)
Blond Sorrel (M)
Blood Dun (M)
Blue Dun Overo (S)
Blue Eyed Albino (S)
Blue Lynx Point (S)
Blue-Merle (S)
Blue and Tan (S)
Blue Lace Agate (S)
Blue Silver (P)
Blue Slate Grulla Overo (M)
Blue Taffy (M)
Blueberry Dun Overo (P)
Buttermilk Buckskin (M)

Calico (M)
Cameo Tabby (M)
Candy Cane Striped (P)
Caramel Tortie Point (S)
Charcoal Black (P)
Cherry Red Bay (S)
Chestnut (S)
Chestnut Rabicano Roan (S)
Chestnut Ruano (P)
Chocolate Bay (M)
Chocolate Dun Sabino (S)
Chocolate Lynx Point (S)
Chocolate Palomino (S)
Chocolate Tan (S)
Chocolate Tortie Point (S)
Cinnamon Frosted w/White Leggings (M)
Cinnamon Roan Tobiano(P)
Cinnamon Tabby Point (P)
Classic Champagne (M)
Classic Roan Palomino (M)
Cobalt Blue (P)
Copper Dun Blanketed (P)
Coyote Dun Frosted (P)
Cursed Mirkwood Steed (M)

Dapple Grey (S)
Dappled Flaxen Bay Rabicano (M)
Dappled Grey Peacock Pintaloosa (M)
Dappled Maple Sugar Bay Sabino (S)
Dappled Rose Grey (S)
Dark Dapple Buckskin Sabino (P)
Diluted Dun (P)
Diluted Red (P)
Dove Tan (S)
Dunskin (S)
Dutch Palomino (S)

Ebony Bay (S)
Eublepharis macularius (S)

Fantasy (S)
Fawn Mantle (S)
Fire Chestnut (S)
Fire Opal (S)
Flame Lynx Point (M)
Flaxen Chestnut (S)
Flaxen Chestnut Tobiano (S)
Flea-Bitten Grey (M)
Fluorite (S)
Frosted Black (P)
Frosted Blue Roan (S)

Gingerbread Dun (M)
Glacier Ice (M)
Glossy Copper Palomino (S)
Golden Bay (S)
Golden Rabicano (M)
Grey (M)
Grulla (S)
Grullo Marble Roan (S)
Grulla Sabino (S)

Honey Chestnut Splashed White (S)
Honeycomb Dapple (M)

Iced Chocolate Buttercream Dapple (M)
Irish Pattern (P)
Isabella (S)
Ivory Cream (S)
Ivory Dun (P)

Jagged Indian Blanket (S)

K

Labradorite (S)
Lapis Lazuli (S)
Lavender Dun (M)
Lemonsilla (M)
Leopard Spotted Overo (M)
Light Palomino Tovero (S)
Lilac/Cream Pointed (P)
Linebacked Palomino (M)
Liver Bay (M)
Liver Chestnut W/White Socks & Blaze (M)
Lobo Dun (P)

Malachite (S)
Maximum Sabino(M)
Mealy Bay Tobiano (S)
Midnight Black (S)
Muddy Dun (P)
Muddy Royal Chestnut (S)
Mulberry Grey (M)

Nebula (S)
Nutmeg Bay Sabino(M)

Obsidian Dun (M)
Odd-Eyed Classic Cream (S)
Onyx (M)
Orange Buckskin (M)

Palomino (M)
Palomino Frame-Sabino Overo (P)
Palomino Roan (M)
Pantherophis guttattus (S)
Peanut Butter Dun (M)
Peanut Butter Dun With Broad Blaze (M)
Peregrine Falcon (M)
Perlino (S)
Pintaloosa (M)
Plaid (S)
Purple Corn (M)
Purple Roan (P)

Quartz (S)

Rabicano (M)
Radiant Ruby (M)
Red Chocolate Frame (S)
Red Dun Tobiano (P)
Red Silver (M)
Red Tri (S)
Red-Tri Merle (M)
Reverse Dappling (M)
Royal White (M)
Ruddy Chestnut Rabicano(M)

Sable Champagne (M)
Saffron Buckskin Sabino(S)
Sandy Buckskin Overo (P)
Shadow Grey Grullo Varnish Roan (S)
Siamese (M)
Silver (M)
Silver Dapple Tobiano (M)
Silver Dun Overo (P)
Silver Mist Lynx Point (M)
Silver Patched Tabby (M)
Silver Palomino (M)
Sky Blue (S)
Slate Grey Frosted (M)
Slate Grullo Tobiano (P)
Smokey Black Roan (P)
Smoky Cream (S)
Smoky Silver Cream W/Peacock Spots (S)
Snowflake (S)
Snowflake Obsidian (S)
Sooty Chestnut (P)
Sooty Grulla Tobiano Frosted (M)
Sorrel (P)
Spawn of Evil (M)
Splashed White (M)
Strawberry Roan (P)
Strawberry Roan Near-Leopard (S)
 Strawberry Roan Splash (M)
Striped Hyena (M)
Sunburst Dapple Grey (P)

Tigers Eye (M)
Tortoiseshell Tuxedo (S)
Tri-colored Pinto (S)
Tuxedo (S)

U

Vanilla Dun (S)
Vanilla Dun Palomino (S)
Vanilla Dun Tobiano (S)
Vermillion (M)

White Brindle (M)
White Grey (M)
Wolf Sable Sabino (M)

X

Y

Z

  

Amber Champagne (S)
Ashen Gold(M)

Bay (S)
Black Roan Tovero (P)
Black Silver Tobiano (M)
Black Splashed White(M)
Black, White and Bay Extreme Sabino(M)

Calico (S)
Cinnamon Roan Tobiano (P)
Cookies & Cream(M)
Cotton Candy Roan(M)

Druid Ivy (M)

Ebony Sangria (M)

Frost (S)

Grey (S)

Honey Blonde(M)
Honey Chestnut Splashed White (P)

Iced Grey Palomino Swirl(M)

J

K

Lilac Lynx Point (M)

M

Nutmeg Bay Sabino (S)

O

Platinum (S)

Q

Rose Grey (M)
Ruddy Chestnut Rabicano(M)

Saffron Buckskin Sabino (M)
Serpent Grey-Blue(M)
Slate Grullo Tobiano(M)
Smoky Black (S)
Smoky Silver Dapple (S)

T

U

Vanilla Dun Palomino (M)

W

X

Y

Z

 

 

  

Silver Dapple Tobiano (AQH, S)

MK Dappled Cremello (AWB, M)

Coyote Dun (AraApp, S)
Grulla (AraApp, M)
Rose Roan (AraApp, S)
Splashed White (AraApp, M)

Blood (Dartmoor, S)

Blue Star Sapphire (DescOMarengo S)
Dark Grey (DescOMarengo M)

Lobo Dun (Donkey, S)
Chestnut (Donkey, S)

Grey (Exmoor, S)

Buckskin (Fjord, S)
Creamy Dune (Fjord M)
Dun (Fjord, S)
Dunalino (Fjord M)
Lavender Dun (Fjord M)
Muddy Dun (Fjord M)

Scarlet (Flaming Aethiops, S)

Blue Brindled Tovero (Grade Sport AA, M)
Light Chocolate and Ivory Pinto w/Blue Eyes (M)
Tri Color Merle (Grade Sport AA, S)

Egyptian Mau (Grade Sport AAA, M)
Gold Champagne Lynx Point (Grade Sport AAA. M)

Papyrus Palomino Overo (Grade Stock AAA,S)
Blue Roan (Grade Stock AAA, M)

Frosted Black Dun (Hackney M)
Honey Palomino Overo (Hackney M)
Rainbow (Hackney M)
Wolf Dun Brindle (Hackney M)

Nutmeg Bay Sabino (Jutland, S)

Buttermilk Buckskin (Mini M)
Chocolate Silver Dapple (Mini M)
Golden Solid (Mini, S)

African Wild Dog (Paint, M)
Copper (Paint, S)
Black & White W/Blue Eyes (Paint, P)
Dappled Dun w/Appaloosa Markings (Paint, M)
Loud Overo (Paint, S)
Papyrus Palomino Overo (Paint, P)
Wild Bay (Paint, S)

Ebony (Pegasus, S)
Ivory (Pegasus, M)

Dun (Przewalski, P)

Glass Sapphire (Quarab, S)

Albino (Shetland, S)
Bay Spangled (Shetland, S)
Bronze (Shetland M)
Cappucino (Shetland M)
Golden Solid (Shetland M)
Snowflaked Silky Black(Shetland M)
Tri-Colored Pinto (Shetland,M)

Dove Grulla (Standardbred, S)
White (Standardbred, S)

Golden (Steed of Zeus, S)
Royal Black (Steed of Zeus M)
Royal White (Steed of Zeus M)

Bend Or Spots (Tarpan M)
Dun (Tarpan, M)
Peanut Butter Dun (Tarpan, S)
Lobo Dun (Tarpan, S)

Scarlet (Trojan, M)

Dawn (Unicorn, M)
Fire Opal Siamese (Unicorn, M)
Iridescent Scaled (Unicorn, S)
Inazuma Kohaku (Unicorn, S)
Sapphire Scaled (Unicorn, M)
Storm (Unicorn, S)