An interactive journey through light itself.
Scroll horizontally to enter the spectrum →
Glowing Embers
Incandescence is light born of heat. As matter grows hot, its electrons surrender energy as photons — first a sullen red, then orange, then white. The filament, the forge, the core of a dying star: all are red at the threshold of brightness.
Sodium Vapor
Excited sodium atoms drop into a single, narrow line. The street lamps of the twentieth century, the flame of a salt-tossed log, the warning glow of tunnels at dusk — all sing on this same note of orange.
The Sun's Mean
Our star peaks here, in the slim band between green and orange. The eye, evolved beneath this brightest portion of the solar curve, finds yellow more luminous than any other hue. To stand in yellow is to stand in noon.
Living Light
Fireflies, plankton, deep-sea jellies. Luciferin meets oxygen and the result is light without heat — a cool, chemical green that flickers across oceans and through summer fields. The photon, here, is born from biology.
A Sky of Photons
Why is the sky blue? Short wavelengths scatter most readily off the molecules of air; the heavens reveal the colour the atmosphere refuses to ignore. Stand in this chamber and you stand inside the daylit dome.
The Last Visible
Violet is where the visible spectrum dims into the unseen. Beyond it: ultraviolet, x-ray, gamma — frequencies the eye cannot follow. Violet, then, is the last word of the rainbow before the language changes.
After the Spectrum
Hold your gaze. The walls of this chamber are dark, but not empty. Move closer, and what was hidden begins to fluoresce.
A photon is the smallest possible unit of light.
Every colour you have walked through is a single frequency of vibration.
Beyond violet lies the unseen, but the unseen still illuminates.
Hover the lines. The dark remembers what the light forgot.
— end of the spectrum —