Unverified90% confidenceDecision RuleTime unknown
显色指数应关注Ra（R1-R8平均）和R9（饱和红色）双指标，Ra≥95但R9＜50仍会导致肤色、食物、木质发暗，真正的全光谱应R9≥90
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Long-term
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Unverified显色指数选购看Ra与R9双指标：Ra≥95仅代表整体平均显色，但R9（饱和红色显色）常被单独拉低，绘画、化妆、看肤色场景需R9≥90，普通照明R9≥50即可90% similarUnverified选购要看R9值（红色显色）而非仅看Ra，R9＜0，肤色和食物会发灰发暗；优质灯具R9应≥50，摄影/化妆场景需R9≥9088% similarUnverified选购全光谱灯泡应认准显色指数Ra≥95且R9（红色还原）≥90，普通LED的R9常低于50，导致肤色、食物、木材偏灰暗失真86% similarUnverified显色指数看Ra和R9两个值：Ra≥90是家用基础线，但衣帽间、化妆区、餐厅需额外关注R9（红色还原）≥50，否则皮肤和食物显得暗沉发灰86% similarUnverified商家标注的CRI值应认Ra和R9双指标：Ra≥95但R9(饱和红)低仍会导致肤色暗淡，专业人像应查看R9≥90的完整光谱数据84% similar
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