film-lighting-bible

影视级灯光圣经 — AI生成画面的灯光设计参考手册。触发场景:打光、光影、侧光、逆光、灯光设计、影视灯光、柔光、硬光、轮廓光、戏剧光、伦勃朗光、日出日落光、金色时刻、蓝色时刻、体积光、丁达尔效应。用于AI生图/生视频时的灯光方向、色温、阴影逻辑提示词构建。

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Install skill "film-lighting-bible" with this command: npx skills add beermanzz/film-lighting-bible

🎬 影视级灯光圣经

让 AI 生成的每一帧,都拥有摄影棚级别的光影品质。


⚡ 快速查询

场景灯光方向色温情绪
浪漫/怀旧侧逆光+金色2800K–3500K温暖、追忆
悬疑/紧张硬侧光+低角度5500K–6500K压迫、未知
梦幻/唯美柔光+轮廓光5500K–7500K轻盈、空灵
现实/纪录平光+自然5000K–6000K真实、克制
科幻/未来蓝调+边缘光7000K–12000K冷峻、高科技

📐 光线方向 — 五条铁律

规则 1:一个主光原则

始终只设定一个主光源。 次级光只做补光,不能喧宾夺主。

  • AI 对多光源场景理解不稳定,单一主光最容易出电影感
  • 补光强度建议:主光的 1/4 至 1/2

规则 2:具体方向,不能模糊

用精确的角度描述,而非"侧面光"这种模糊词:

中文描述英文用途
正侧光(90°)hard side light, 90-degree angle戏剧冲突、审讯场景
侧逆光(135°)backlight, rear backlight轮廓、分层、神秘感
正面 45°45-degree front light, bank light安全打光、大众脸
低角度仰光low-angle uplighting, chiaroscuro压迫感、恐怖、权力
顶光top light, overhead lighting审讯、精神压迫

规则 3:接触阴影

阴影是电影感的来源。不是消灭阴影,是控制阴影的落点

  • 鼻阴影落在脸颊(伦勃朗三角光)
  • 眼窝阴影(眼神光缺失=死鱼眼)
  • 下颌阴影(防止面部"贴纸感")

规则 4:逆光与侧光优先

背景光(逆光/侧逆光) > 正面光。

  • 逆光分离主体与背景,解决 AI 生成的"抠图感"
  • 侧光制造立体感,防止扁平
  • 正面光只用于信息传达场景(新闻、证件照)

规则 5:光物理一致

光从窗口来,影子就朝一个方向。 同一场景内:所有物件的光源方向、高度、色温必须统一。


🌡️ 色温速查表

色温颜色代码场景Prompt 关键词
1700K#FF9329烛光candlelight, warm glow
2700K#FFB26B白炽灯tungsten, soft white
3200K#FFD1A4家用灯indoor lamp, cozy
4000K#FFE8CC中性白neutral white
5000K#FFF5E6正午柔光diffused daylight
5500K#FFF9F0日光daylight, daylight balance
6500K#F0F4FF阴天overcast, cool daylight
7500K#E3EDFF阴影蓝shadow blue, sky fill
12000K+#C4D9FF清澈蓝天clear blue sky, shade

关键 HEX 色码(背下来)

金色时刻:  #D4A574  (日落暖色)
蓝小时刻:  #8899BB  (黄昏冷蓝)
阴影冷色:  #4A3F6B  (蓝紫色阴影)
火光/灯笼: #FF6B35  (橙红火焰)
月光:      #9BB5D4  (银蓝月光)

🔲 阴影逻辑

主光 vs 补光比例(光比)

光比比值画面感
平调1:1纪录片、新闻
柔和1:2青春偶像、广告
电影1:4剧情片、叙事感
戏剧1:8黑色电影、悬疑
高对比1:16+德国表现主义、恐怖

Prompt 写法:

  • 高对比:low key lighting, high contrast, chiaroscuro
  • 柔和:soft fill, diffused light, low ratio

✨ 体积光与特殊效果

丁达尔效应(Tyndall Effect)

光线穿过介质(尘埃、烟雾、水雾)时可见的光束。

Prompt: volumetric light, god rays, light beams through dust, fog illuminated, atmospheric haze, crepuscular rays

边缘光/轮廓光(Rim Light)

从主体背后打过来,分离前景与背景。

Prompt: rim lighting, backlight, hair light, silhouette edge light, separation light

眼神光(Eye Light)

让人物眼睛有生命感的关键。

Prompt: catchlight, eye reflection, specular highlight in eyes, eyes lit

柔光箱效果

模拟摄影柔光箱的散射光。

Prompt: softbox light, diffused light, wraparound light, feathered light


🎯 典型场景 Prompt 模板

室内窗景(日景)

cinematic lighting, single window light from left 45°, 
hard light with shadows, warm golden hour sunlight #D4A574, 
soft fill from ceiling bounce, contact shadow on floor, 
volumetric dust particles in light beams

夜景月光

cinematic night scene, cool moonlight from above right,
blue shadow tone #4A3F6B, rim light on subject edge,
moonlight #9BB5D4, subtle fill from ambient city glow,
high contrast shadows, volumetric fog

烛光/火光

warm candlelight, firelight orange #FF6B35, 
single point light source, high contrast,
deep shadow, warm color temperature 2700K,
flickering light effect, volumetric smoke

汽车戏剧光

German Expressionist lighting, low angle key light,
hard side light 90°, single source right,
deep shadow half face visible, chiaroscuro,
desaturated cold tone, high contrast 1:8

📚 参考文件

文件内容
references/lighting-terminology.md中英灯光术语大全
references/color-temperature.md色温完整图表与情绪关联

🔑 核心原则

光不是用来照亮主体的。光是用来雕刻主体的。

AI 生成最大的问题之一是"扁平感"。解决方式:逆光分离 + 侧光立体 + 阴影控制。

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