Unverified90% confidenceDecision RuleTime unknown
追求真实还原色彩（如绘画、化妆、看诊）需选Ra≥95且R9（红色还原）≥90的灯泡，普通全光谱灯常标Ra≥95但R9只有50-70，红色物体仍偏暗发灰
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90%
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Long-term
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Unverified看重显色的场景（如衣帽间、化妆镜、画室）应选Ra≥95、R9（红色还原）≥90的灯带，普通全光谱灯带Ra标称90但R9常低于50，导致红色偏暗92% similarUnverified显色指数Ra≥90才能真实还原颜色，绘画/化妆/看书辨色场景应选Ra≥95，普通台灯Ra常仅80左右90% similarUnverified显色指数Ra≥90才能真实还原颜色，绘画/化妆/看书辨色场景应选Ra≥95；普通照明Ra≥80即可，低于80会导致色彩失真发灰89% similarUnverified护眼台灯的显色指数Ra应≥90（国AA级要求Ra≥90，R9≥50），Ra越接近100色彩还原越真实，绘画/阅读场景优先看R9红色还原值88% similarUnverified显色指数Ra≥90（Rf≥85更佳）能真实还原字本颜色，绘画、批改作业场景建议Ra≥95，普通台灯多为Ra80左右会导致色偏88% similar
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