Consider the following pictures:
|Beige PC case (Corsair)||"Gold" iPhone||Actual Real Gold|
Originally the color was called Champagne Gold... but it's nothing like the color of Champagne either:
UPDATE: It turns out, there is a color called "champagne" that is sort of like the iPhone color.
See Wikipedia for all the details, but here's a brief quote:
The color champagne is a name given for various very pale tints of yellowish-orange that are close to beige. The color's name is derived from the typical color of the beverage Champagne.The color is shown as:
But still, there is nothing to warrant the use of the word "gold" in describing the color of the iPhone.
It is beige (sparkly with a red-ish cast if you like).
And the other two phones are just two different shades of grey.
Be careful if you try showing this to an owner of a beige iPhone... they tend to resent it.