These days there is a huge buzz about an inexpensive line of makeup called NYX. Most people have compared MAC eyeshadows to the NYX ones.
NYX is available at local beauty supply stores and drugstores like RiteAid, LongsDrugs, CVS etc or online at www.cherryculture.com or www.nyxcosmetics.com. If you cant find them anywhere else then ebay is sure to please you. :)
I swatched a few of the eyshades and i think the colors and nice and pigmented. However I would recommend using a primer under them to enhance the colour vibrancy.
Another famous product is their jumbo pencils and the most popular ones are in 'milk' and 'pots and pans'. They are a good base for eyeshadows but are abit sticky so hard to blend. Many fellow youtubers have used in their tutorials as well.
The following is the list on their eyeshade dupes for MAC eyeshades. Some i have collected from http://www.specktra.net/ forums and some are my own interpretation. Hope it helps! Enjoy! :)
NYX White = MAC Gesso
NYX Frosted Flakes = MAC Shroom
NYX Nude= MAC Bisque
NYX Burgandy Pearl= MAC Star Violet
NYX Pacific= MAC Moon's Reflection
NYX Morocco= MAC Deep Truth + Contrast
NYX Deep Purple = MAC Satelitte Dreams
NYX Frosted Flakes = MAC Shroom
NYX Nude= MAC Bisque
NYX Burgandy Pearl= MAC Star Violet
NYX Pacific= MAC Moon's Reflection
NYX Morocco= MAC Deep Truth + Contrast
NYX Deep Purple = MAC Satelitte Dreams
MAC Coppering = NYX Copper
MAC Cranberry = NYX Rust
MAC Amber Lights = NYX Golden
MAC Carbon = NYX Black
MAC Juxt or Golden Olive = NYX Springleaf
MAC Girl Meets Boy = NYX Antique Gold
MAC Swish = NYX Spring Flower
MAC Parrot = NYX Ocean
MAC All That Glitters = NYX Champagne
MAC Naked lunch = NYX Sahara
MAC Vellum = NYX Opal
MAC Rose Blanc = NYX High light
MAC heatherette trio 1 (Moodring/green shade): NYX Seafoam green
MAC Beautiful Iris: NYX Frosted Lilac
MAC Electric Eel: NYX Irises
MAC Hepcat: NYX Violet
MAC Humid: NYX Mermaid Green
MAC Nocturnelle: NYX Beauty Queen
MAC Parfait Amour: NYX Purple
MAC Passionate: NYX Cherry or Red Head
MAC Star n' Rockets: NYX Luxor
MAC Viz A Violet (pigment): NYX Ultra Pearl Mania Purple
MAC Deep Truth or Blue Storm: NYX Atlantic
MAC Mythology: NYX Jazzy Bronze
MAC Expensive Pink: NYX Wildflower
MAC Swimming: NYX Kiwi
MAC Kelly Green pigment: NYX Kiwi
MAC Cocoa: NYX Beanie
MAC Rose: NYX Hot Pink
MAC Rose Pigment: NYX Flamingo
MAC Beauty Marked: NYX Lake Moss Trio -Purple shade
MAC Contrast: NYX Lake Moss Trio -Blue shade
MAC Lucky Green: NYX Lime Green
MAC Bright Fushia pigment: NYX Cherry
MAC Easter: NYX Yellow
MAC Beige-ing shadestick: Yogurt NYX Jumbo eye pencil
MAC Steamy: NYX Jungle Fever
MAC Twinks: NYX Walnut Bronze
MAC Mothbrown: NYX Root Beer
MAC Golden Olive pigment: NYX Ultra Pearl Mania in Lime
MAC Satin Taupe: NYX Iced Mocha
MAC electra: NYX silver
MAC Aquadisiac: NYX Jade
MAC Satellite Dreams: NYX purple
MAC freshwater: NYX Atlantic
MAC Down Brown: NYX Dark Brown
MAC Cranberry = NYX Rust
MAC Amber Lights = NYX Golden
MAC Carbon = NYX Black
MAC Juxt or Golden Olive = NYX Springleaf
MAC Girl Meets Boy = NYX Antique Gold
MAC Swish = NYX Spring Flower
MAC Parrot = NYX Ocean
MAC All That Glitters = NYX Champagne
MAC Naked lunch = NYX Sahara
MAC Vellum = NYX Opal
MAC Rose Blanc = NYX High light
MAC heatherette trio 1 (Moodring/green shade): NYX Seafoam green
MAC Beautiful Iris: NYX Frosted Lilac
MAC Electric Eel: NYX Irises
MAC Hepcat: NYX Violet
MAC Humid: NYX Mermaid Green
MAC Nocturnelle: NYX Beauty Queen
MAC Parfait Amour: NYX Purple
MAC Passionate: NYX Cherry or Red Head
MAC Star n' Rockets: NYX Luxor
MAC Viz A Violet (pigment): NYX Ultra Pearl Mania Purple
MAC Deep Truth or Blue Storm: NYX Atlantic
MAC Mythology: NYX Jazzy Bronze
MAC Expensive Pink: NYX Wildflower
MAC Swimming: NYX Kiwi
MAC Kelly Green pigment: NYX Kiwi
MAC Cocoa: NYX Beanie
MAC Rose: NYX Hot Pink
MAC Rose Pigment: NYX Flamingo
MAC Beauty Marked: NYX Lake Moss Trio -Purple shade
MAC Contrast: NYX Lake Moss Trio -Blue shade
MAC Lucky Green: NYX Lime Green
MAC Bright Fushia pigment: NYX Cherry
MAC Easter: NYX Yellow
MAC Beige-ing shadestick: Yogurt NYX Jumbo eye pencil
MAC Steamy: NYX Jungle Fever
MAC Twinks: NYX Walnut Bronze
MAC Mothbrown: NYX Root Beer
MAC Golden Olive pigment: NYX Ultra Pearl Mania in Lime
MAC Satin Taupe: NYX Iced Mocha
MAC electra: NYX silver
MAC Aquadisiac: NYX Jade
MAC Satellite Dreams: NYX purple
MAC freshwater: NYX Atlantic
MAC Down Brown: NYX Dark Brown
