Light & Optics Labλ = c / f • E = hf

476 nm to RGB & Color Calculator

Convert 476 nm monochromatic spectral light into exact digital sRGB, CIE 1931 tristimulus XYZ coordinates, THz frequency, and photon energy.

CIE 1931 Spectral Synthesis
476 nm
Blue
#0092FF
nm
380 nm (Violet)555 nm (Peak)750 nm (Deep Red)
Frequency
629.816 THz
Photon Energy
2.605 eV
sRGB Channels
0, 146, 255
CIE 1931 XYZ
0.1355, 0.1169
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Why You See This Color (476 nm)

At 476 nm, incoming photons stimulate both Short (S) and Medium (M) cone opsins simultaneously. The visual cortex compares the differential ratio between S-cone and M-cone activation, synthesizing the vibrant perception of cyan and sky blue. With an oscillation frequency of 629.816 THz and photon energy of 2.605 eV, this wavelength is converted into sRGB coordinates by projecting its spectral chromaticity point onto the CIE 1931 standard observer locus.

Physical Parameter Breakdown

Wavelength (λ):476 nm (476 × 10⁻⁹ m)
Oscillation Frequency (f):629.816 THz
Photon Quantum Energy (E):2.605 eV
CIE 1931 Tristimulus (XYZ):X:0.1355 Y:0.1169 Z:0.9956
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Traian Anghel
Traian AnghelAuthor & Reviewer

Physics Teacher & Educational TechnologistBrăila, Romania

Last Reviewed: August 2026
Wave Lab calculators are constructed using rigorous peer-reviewed physics formulas from verified metrological repositories. Every equation, spectral conversion, and acoustic property is tested against NIST, CIE, and ISO datasets.
Verified Sources:NIST CODATACIE 1931 2° ObserverNASA Glenn Research

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