Healing Frequencies
Solfeggio 417 Hz — Change
417.00 Hz
Cosmic Octave Color
Derived visible color (654 nm)
Display swatch #d3502e
SpeculativePractitioner / Traditional Claim
Evidence Level
Speculative
Source Count
1
Last Reviewed
March 23, 2026
Documented as a claim or emerging idea, but not established as a replicated scientific conclusion.
This entry is included because it is culturally or practitioner-relevant. Any therapeutic interpretation should be read as contextual and non-diagnostic.
Review the evidence modelAssociated with breaking negative patterns and facilitating positive change. Second of the original Solfeggio frequencies.
Wavelength
82.3 cm
Nearest Note
G#4 (+7¢)
Claim Type
Practitioner / Traditional Claim
Cosmic Octave Color
Derived visible color (654 nm) · #d3502e
Source
Dr. Joseph Puleo (1999)
Sources
Joseph Puleo / Solfeggio Tradition
5 atlas references
Commonly cited modern lineage for Solfeggio claims. Included for provenance, not as settled scientific consensus.
Joseph Puleo and modern Solfeggio literature.
Historical Use
Undoing situations, facilitating change
solfeggiohealingchange