There is a particular shade of green you will recognise if you have ever looked at a Victorian interior painting or a photograph of a wealthy Georgian drawing room. Brilliant, slightly acid, almost luminous. It was called Scheele's Green, or later Emerald Green, and it was everywhere – on wallpapers, on dress fabric, on the painted ornaments that cluttered every polished surface. It was also, depending on how damp your walls were and how poorly ventilated your bedroom, slowly releasing arsenic gas into the air while you slept. The colour was genuinely beautiful. The chemistry was genuinely murderous.
But the people who died of it fastest were not the ones sleeping in those rooms.
The Night Shift Nobody Painted
Think of a pigment factory in, say, Birmingham or East London at three in the morning in 1875. The fashionable season is coming. The wallpaper orders are in. And somewhere in a poorly lit mill building, a group of women – predominantly women, because this was unskilled work and unskilled work was cheap – are mixing copper acetoarsenite by hand. Scheele's Green was made by combining copper sulphate with arsenious oxide. The dust it produced was fine enough to settle on skin, be breathed in, coat the inside of a mouth. A day's work left you green-tinged and coughing. A year's work did considerably more.
These women had no particular name in the historical record. They were not the artist who chose the colour, not the manufacturer who sold the wallpaper by the roll, not the housewife who admired it against her new curtains. They were the night shift inside a process that the daylit world of taste and decoration preferred not to think about too hard.
Lead White and the Teeth That Went with It
Scheele's Green had company. Lead white – the pigment that gave Georgian plasterwork and oil paint their creamy, opaque brightness – was made by exposing metallic lead to acetic acid vapour and then scraping off the resulting crust. The workers who did the scraping, and the grinders who then processed the crust into usable powder, were inhaling lead dust for ten-hour shifts. Lead poisoning, at sufficient exposure, causes the teeth to loosen, the gums to develop a characteristic bluish line, the hands to drop things without warning. It was called "painter's colic" when it happened to artists. When it happened to factory workers, it was called Tuesday.
For more on the chemistry of what Victorian pigments were actually doing to everyone involved, the piece When a Painting Could Kill You goes into the science in satisfying detail.
Cadmium Yellow and the Progress Story
By the time cadmium yellow arrived in the mid-nineteenth century, it was being celebrated as the safer, brighter alternative to the chrome yellows that had preceded it. And in relative terms, it was. But cadmium is a heavy metal. Cadmium dust in a poorly ventilated processing shed is still not something you would volunteer for. The point is not that Victorian industrialists were uniquely villainous – most of them were doing exactly what their era expected, which was to manufacture a product at a price. The point is that the line between the beautiful domestic object and the industrial process behind it was one that wealth made very easy not to look across.
What the Colour Actually Cost
The historian's usual story about toxic Victorian homes focuses on the consumers – the families breathing arsenic off their wallpaper, Napoleon possibly being done in by the green of his damp St Helena bedroom. That is a real story. But the exposure that killed people at scale happened at the manufacturing end, not the decorating end, and it happened to people who never set foot in the rooms their labour was colouring.
There is something genuinely strange about standing in a reconstructed Victorian parlour in a museum. The deep green walls. The elaborate patterned paper. The warm yellow tones of the painted furniture. You're admiring a palette that was assembled, colour by colour, by people whose working conditions would appal a modern safety inspector before they had even got through the front door. The beauty was real. So was the cost. Just paid by different people.
