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

511 nm to RGB & Color Calculator

Convert 511 nm monochromatic spectral light into exact digital sRGB, CIE 1931 tristimulus XYZ coordinates, THz frequency, and photon energy.

CIE 1931 Spectral Synthesis
511 nm
Green
#00FFB9
nm
380 nm (Violet)555 nm (Peak)750 nm (Deep Red)
Frequency
586.678 THz
Photon Energy
2.426 eV
sRGB Channels
0, 255, 185
CIE 1931 XYZ
0.0192, 0.5199
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Why You See This Color (511 nm)

At 511 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 (586.678 THz, 2.426 eV) as brilliant emerald green to chartreuse, mapped here to digital sRGB gamut coordinates.

Physical Parameter Breakdown

Wavelength (λ):511 nm (511 × 10⁻⁹ m)
Oscillation Frequency (f):586.678 THz
Photon Quantum Energy (E):2.426 eV
CIE 1931 Tristimulus (XYZ):X:0.0192 Y:0.5199 Z:0.1477
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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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