The list of the what-if Megaranger Gokaiger keys are: Mega Green

Mega Purple

Mega Orange

Mega Crimson

Mega Navy

Mega White

Mega Gold

Mega Teal

Mega Brown

Mega Indigo

Mega Saffron

Mega Amethyst

Mega Vermilion

Mega Chartreuse

Mega Magenta

Mega Viridian

Mega Burgundy

Mega Powder Blue

Mega Scarlet

Mega Cyan

Mega Azure

Mega Lavender

Mega Gray

Mega Beige

Mega Cerulean

Mega Slate

Mega Cobalt

Mega Gunmetal

Mega Copper

Mega Bronze

Mega Khaki

Mega Citrine

Mega Maroon

Mega Olive

Mega Peach

Mega Cream

Mega Sangria

Mega Plum

Mega Emerald

Mega Cerise

Mega Mauve

Mega Moccasin

Mega Aquamarine

Mega Pearl

Mega Turquoise

Mega Platinum

Mega Tan

Mega Bittersweet

Mega Periwinkle

Mega Sapphire

Mega Fuchsia

Mega Dark Green

Mega Mahogany

Mega Sea Green

Mega Claret

Mega Lime

Mega Amber

Mega Ecru

Mega Taupe

Mega Tawny

Mega Lilac

Mega Ochre

Mega Sepia

Mega Celadon

Mega Orchid

Mega Ash Gray

Mega Steel Blue

Mega Sky Blue

Mega Burnt Orange

Mega Brick Red

Mega Caramel

Mega Marigold

Mega Burnt Sienna

Mega Verdigris

Mega Indochine

Mega Carmine

Mega Linen

Mega Dark Gray

Mega Harlequin Green

Mega Amaranth

Mega Ebony

Mega Ivory

Mega Thistle

Mega Cadet Blue

Mega Brass

Mega Ruby

Mega Mint

Mega Forest Green

Mega Aubergine

Mega Hazel

Mega Topaz

Mega Bisque

mega moolah Spring Green

Mega Rainbow

etc.