Wave Lab
Light & Optics Labλ = c / f • E = hf

547 nm to RGB & Color Calculator

Convert 547 nm monochromatic spectral light into exact digital sRGB, CIE 1931 tristimulus XYZ coordinates, THz frequency, and photon energy.

CIE 1931 Spectral Synthesis
547 nm
Green
#00FF4A
nm
380 nm (Violet)555 nm (Peak)750 nm (Deep Red)
Frequency
548.067 THz
Photon Energy
2.267 eV
sRGB Channels
0, 255, 74
CIE 1931 XYZ
0.3808, 0.9871
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Why You See This Color (547 nm)

At 547 nm, the radiation strikes the human retina close to the peak photopic sensitivity curve V(λ) (555 nm). Both M-cones (chlorolabe) and L-cones (erythrolabe) are strongly depolarized, maximizing luminous efficacy per watt of optical power. The visual system perceives this radiant energy (548.067 THz, 2.267 eV) as brilliant emerald green to chartreuse, mapped here to digital sRGB gamut coordinates.

Physical Parameter Breakdown

Wavelength (λ):547 nm (547 × 10⁻⁹ m)
Oscillation Frequency (f):548.067 THz
Photon Quantum Energy (E):2.267 eV
CIE 1931 Tristimulus (XYZ):X:0.3808 Y:0.9871 Z:0.0114
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Traian Anghel
Traian AnghelAuthor & Reviewer

Physics Teacher & Educational Technologist • Brăila, 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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