She turned out great! Her color looks good. You're right though...I feel your pain on trying to dye to match an original pony's color, especially if you don't own another of the pony in question for comparison. I've had quite the nightmare of a time trying to get one to match Mimic's green, being as I can't afford the original, and she seems to show up different colors in every online photo out there depending on people's camera and lighting.