Unverified85% confidenceDecision RuleTime unknown
深色漆（如藏蓝、墨绿、正红）遮盖力天生差，需刷2遍底漆+3遍面漆才能均匀，浅色墙面2遍面漆即可；选深色时预算和用量要按浅色的1.5倍算
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85%
Confidence
Long-term
Relevance
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Unverified深色/高饱和色墙面必须选专用底漆+两遍以上面漆，且底漆需调至接近面漆色相，否则遮盖力不足会出现色斑；纯白墙一遍底漆两遍面漆即可88% similarUnverified深色/高饱和度色号（如深蓝、正红、墨绿）遮盖力天然较弱，需刷3-4遍且必须搭配同色系底漆，否则颜色不均、显脏87% similarUnverified渐变色和多色喷漆效果与预算矛盾：单色喷漆良品率高，3色以上渐变需多次遮蔽喷涂，色差和边界瑕疵概率明显上升，日常使用2色以内更稳妥81% similarUnverified颜料颜色越多越方便但越贵越占空间，水彩12色可通过调色覆盖90%需求，24色已足够创作，36色以上多为色相冗余79% similarUnverified覆盖力与色差是矛盾关系：高覆盖力的浓稠漆一次成型但边缘凸起明显、易看出补漆痕迹；薄涂型漆需3-4层叠加、色差小但耗时。追求隐形补漆选薄涂多层，追求快速遮盖选高覆盖78% similar
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