TL;DR
Color temperature is the measure, in kelvins, of how warm or cool a light source appears: 2700K gives the amber glow of an incandescent bulb, 3000K is slightly whiter, and 4000K to 5000K reads cold and bluish. Landscape lighting designers stay at 2700K to 3000K for architecture and plantings because warmer light flatters wood, stone, and skin, reserving cooler temperatures for security areas or moonlighting effects.
What it means
Color temperature is the measure, in kelvins, of how warm or cool a light source appears: 2700K gives the amber glow of an incandescent bulb, 3000K is slightly whiter, and 4000K to 5000K reads cold and bluish. Landscape lighting designers stay at 2700K to 3000K for architecture and plantings because warmer light flatters wood, stone, and skin, reserving cooler temperatures for security areas or moonlighting effects. The number is printed on every LED lamp and fixture spec sheet, so mixed temperatures on one façade are an avoidable mistake.
Where it sits in the glossary
Color temperature is part of the Trade jargon group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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