AG-ed to Perfection
By William Lebovics · 2026-08-10

The Search
It began as a small, slightly absurd errand.
YESODI's brand colour is a warm sulfur-toned ochre — `#C97C1C`, hue 33°, the pigment family a painter would call burnt amber and a metallurgist would call bronze. It is a difficult colour. Too warm and it goes mustard. Too red and it goes rust. Too pale and it goes camel and disappears.
I wanted to wear it. Not a tie, not a pocket square, JEANS, the whole leg, the colour doing actual work. So I did what anyone does now: I searched for what existed in that shade, in my size, within a few miles of where I live 😂
Most of what came back was wrong in the specific way that colour is usually wrong. Fast-fashion "rust" that photographs orange and wears brick. Heritage brands offering a safe tobacco. Several very good labels with no warm bottoms at all, because warm bottoms are a risk and most brands do not take color risks below the waist.
Then one brand kept surfacing. And when I looked at what it was actually offering, a Fall '26 trouser in a shade its own copy describes as warm honey brown, named Sulfur Worn Brass, I recognized something. Not a near-miss. The color.
The brand was AG.
What follows is what I learned when I went looking for why one company, alone among its peers, was able to put that exact colour on a shelf a few miles from my house.
The answer turns out to have almost nothing to do with taste, and almost everything to do with who owns the building where the dye is mixed.
The Inversion
Nearly every premium denim label of the modern era was founded by a designer, a fit model, or a merchant — someone with an eye, who then went and found a factory.
AG was founded the other way around.
In 2000, in downtown Los Angeles, Yul Ku — a Korean-American manufacturer whose company, Koos Manufacturing, had been producing jeans for other people's labels — went into partnership with Adriano Goldschmied, the Italian designer universally referred to in the industry as the Godfather of Denim.
Consider what each man brought. Goldschmied had co-founded Diesel and Replay. He is the person most responsible for the idea that a pair of jeans could be a designed object with a wash, a finish, and a point of view rather than a workwear commodity. He had spent a career inventing the vocabulary the entire category still speaks in.
Ku brought the factory.
That is the inversion, and it is the single most important fact about AG. This was not a designer who commissioned production. This was a production house that acquired a designer. By 2001 AG had become the first vertically operated denim manufacturer on the West Coast — designing, cutting, sewing, dyeing, washing, and finishing under its own roof and its own control.
In 2004, the two men amicably ended the partnership. Goldschmied sold his stake — and his own name — to Ku, and left. The label still trades, formally, as AG Adriano Goldschmied. Yul Ku has owned it outright ever since. His son, Sam Ku, serves as President and Creative Direct