The same thin-film stack, tuned for the substrate it serves.
NACRE is not a paint. It is a sequence of dielectric layers, each a few tens of nanometers thick, deposited so that reflected wavelengths add and cancel by design. Change the film thickness and you change the color. Nothing is dyed. Nothing fades the way a pigment fades.
The physics does not care whether the surface beneath it is a steel body panel, an anodized facade fin, a powder pressed for the skin, or a titanium aerospace skin. The substrate sets the constraints — gloss, curvature, thermal load, regulatory limits. The interference does the rest.
Scroll across the four programs below. Each is the same idea answered for a different surface.
A seven-layer interference stack tuned for clearcoat-grade gloss and double-curvature panels. Peak reflectance shifts with viewing angle — a controlled travel from deep indigo at normal incidence toward green near grazing — without a single metal-flake or pearl pigment. Deposited over a leveled basecoat, sealed under standard automotive clear.
Facade and fin systems where the building changes color as you walk past it, and again as the sun crosses. Tuned for matte and satin finishes on anodized aluminum, with a wide acceptance angle so the effect reads at distance. Cool-toned variants reflect in the near-infrared to lower solar heat gain.
Structural-color pigment platelets for pressed powder, gel, and film. Color comes from platelet thickness, not from carmine, oxides, or carbon. The result is a clean iridescence that holds its hue under flash and daylight alike, formulated for skin contact and rinse-off without leaving stain.
Marking, liveries, and zonal identification on titanium and composite skins, where every gram and every micron of drag is counted. A thin plasmonic-dielectric hybrid delivers saturated color at a fraction of paint mass, survives the thermal cycling of altitude, and tolerates the airflow it lives in.
A single front fender, measured end to end.
We applied the automotive stack to a complete concept-car body and instrumented one front fender as the reference specimen. The panel carries no pigment and no metallic flake. Every color you see is interference returning from the film.
The numbers below were measured on the delivered panel: film thickness by ellipsometry, color travel by goniospectrometer across the viewing arc, and color shift after a ten-year UV-equivalent exposure. The hue moves with your eye, and holds across a decade.
Color without pigment. Light, engineered into matter.
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