Unverified82% confidenceTradeoffTime unknown
高显色指数(Ra90+)通常以牺牲发光效率为代价：同瓦数下Ra90灯泡比Ra80亮度略低约10-15%，追求高显色需适当选更高流明型号
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Unverified高显色(Ra90+)与高光效通常矛盾：提升显色需牺牲部分发光效率，同瓦数下Ra90灯泡流明会略低，追求护眼显色的场景可接受这个取舍91% similarUnverified追求高显色性（Ra≥90）的暖光灯通常牺牲发光效率且偏贵，纯氛围营造用途Ra80即可，但用于化妆、看物品颜色则需Ra90以上89% similarUnverified显色指数越高（Ra97+且高R9）通常需要牺牲光效，同瓦数亮度更低价格更贵；日常客厅照明Ra90-93已足够，只有辨色/创作场景才值得为Ra97买单88% similarUnverified显色指数越高（Ra95+/高R9）往往牺牲发光效率，同瓦数流明更低更耗电；一般居家Ra90+已足够，Ra95+适合专业辨色需求87% similarUnverified高显色指数(Ra≥95)与高亮度往往难以兼得且价格更高，日常卫生间照明Ra90+已足够，无需追求Ra98的专业级镜前灯87% similar
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