Warning signs written for something invented

Four black triangles in a row, hard-edged, on safety yellow. A figure looking up. A doorway with an arrow leading out of it. An eye with a line struck through it. A spiral. Beneath them, in a solid black bar: DO NOT LOOK DIRECTLY, and under that, AREA 4 ONWARD.

Nothing here is drawn to frighten anyone. It's drawn to be understood in under a second.

Why does hazard signage work as a horror format?

Because it's already the flattest, most urgent language people make, and it wasn't built for this.

Safety signage exists for one purpose: get a warning into someone's head fast enough that they act on it before they've had time to think. Hard black on yellow, triangle shapes, pictograms reduced to the fewest lines that still read — every part of the system was optimised for speed of comprehension, not for tone. Point that system at something that shouldn't exist, and the format does the entire job on its own. Nothing needs to be added, because the system was never capable of being anything but urgent.

Why is triangle-versus-circle the whole grammar?

Because the shape tells you the type of instruction before you've read a word.

A triangle warns — mind this, it's here. A circle with a bar prohibits — don't do this. Two shapes carry the entire logical structure of the system, and everything else is a pictogram slotted inside one or the other. Once a reader knows that grammar, a triangle with an unfamiliar symbol inside it still reads as warning even before the pictogram resolves — the same trick a small fixed set of icons plays in other systems built for instant reading. The shape does half the communicating before the drawing does anything.

Why is an invented pictogram more unsettling than a real one?

Because a real symbol tells you immediately what to avoid, and an invented one makes you work it out.

A biohazard symbol or a radiation trefoil is legible on sight — you know the category of danger without reading further. An invented pictogram — a figure looking up, an eye struck through, a spiral with no caption explaining it — gives you the same visual confidence that it means something specific, but withholds what. You know it's a warning. You don't know what it's warning against. That gap, held inside a system built for zero ambiguity, is where the design does its work.

Why is this a hard no rather than a licence question?

Because standardised safety marks have a regulated meaning, and reproducing one is a false claim about a real hazard rather than a style reference.

Elsewhere in this material the rights answer is usually a licence question — a name or a line belongs to somebody, who licenses reproductions. A biohazard trefoil or a radiation symbol is different in kind: not creative work with an owner who can grant permission for a joke version, but part of a regulated signalling system built so anyone anywhere recognises a specific danger on sight, no text required. Printing a real one on a shirt isn't referencing a style — it's asserting that a real hazard category applies to whatever it's stuck to, and that's not a paperwork problem a licence can solve. So the pictograms here are invented: shapes that read as belonging to a system, without claiming to be one.

Does the format work at a smaller scale — a door, a locker, a single object rather than a wall?

Yes, and a single sign reads just as urgently as a row of four.

One triangle, one pictogram, one line of instruction beneath it carries the same authority as a full panel — the system doesn't need repetition to work, only the correct proportions and the correct weight of black. A single invented symbol over a short phrase can sit on a chest the same way a single sign sits on a door, and it loses none of the urgency for being alone.

What's the strongest objection to this design?

That a shirt covered in warning symbols risks reading as a costume-shop prop rather than a document.

Real signage earns its authority from context — it's bolted to a wall, at the entrance to something, doing an actual job. A shirt is not a wall. What keeps this from tipping into novelty-store territory is restraint: hard black on true safety yellow, correct triangle proportions, a short instruction in the actual register safety copy uses rather than a joke sentence. The format has to be taken as seriously as the real one, or it stops being unsettling and starts being merchandise.

Does it print well?

Yes — this is closer to a print process than an illustration to begin with.

Hard-edged black shapes on a single flat yellow ground are close to the ceiling of what fabric printing does well: no gradients, no fine hatching, just clean geometry and total contrast. The triangles, the pictograms and the type all survive at almost any size because the whole system was already designed for legibility at a distance, long before it reached a shirt.

Safety yellow with black ink is the palette that carries the whole visual system — anything else undercuts it. One ink is enough.

How do I get one made?

Describe the warning at JustOG — how many symbols, what they forbid, and what the bar of text underneath says. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.

Designs other people have published are in the shop.

Nobody reads past DO NOT LOOK DIRECTLY to ask what happened to the areas before it.