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FLUX Best Practices

FLUX最佳实践

Use this skill when generating prompts for any BFL FLUX model to ensure optimal image quality and accurate prompt interpretation.
当为任何BFL FLUX模型生成提示词时，使用本技能以确保最佳图像质量和准确的提示词解读。

When to Use

适用场景

  • Creating prompts for FLUX.2 or FLUX.1 models
  • Text-to-image (T2I) generation
  • Image-to-image (I2I) editing with FLUX.2 models
  • Structured scene generation with JSON
  • Typography and text rendering
  • Multi-reference style transfer
  • Color-accurate brand generations
  • 为FLUX.2或FLUX.1模型创建提示词
  • 文本转图像（T2I）生成
  • 使用FLUX.2模型进行图像转图像（I2I）编辑
  • 基于JSON的结构化场景生成
  • 排版与文本渲染
  • 多参考风格迁移
  • 色彩精准的品牌内容生成

Quick Reference

快速参考

Prompt Structure Formula

提示词结构公式

[Subject] + [Action/Pose] + [Style/Medium] + [Context/Setting] + [Lighting] + [Camera/Technical]
[主体] + [动作/姿态] + [风格/媒介] + [环境/场景] + [光线] + [相机/技术参数]

Model Selection

模型选择

Use CaseRecommended ModelNotes
Fastest generationFLUX.2 [klein]4B or 9B, sub-second
Highest qualityFLUX.2 [max]Best detail, grounding search
Production balancedFLUX.2 [pro]Quality + speed
Typography/textFLUX.2 [flex]Best text rendering
Local/developmentFLUX.2 [dev]Open weights
Image editingFLUX.2 [pro/max]Pass image URL directly to input_image
InpaintingFLUX.1 FillObject removal/completion
Context editingFLUX.1 KontextOlder model, prefer FLUX.2
使用场景推荐模型说明
最快生成速度FLUX.2 [klein]4B或9B参数，生成时间不足一秒
最高画质FLUX.2 [max]细节表现最佳，支持 grounding 搜索
生产环境平衡之选FLUX.2 [pro]画质与速度兼顾
排版/文本渲染FLUX.2 [flex]文本渲染效果最佳
本地/开发环境使用FLUX.2 [dev]开源权重模型
图像编辑FLUX.2 [pro/max]直接将图像URL传入input_image参数
图像补全FLUX.1 Fill物体移除/内容补全
上下文编辑FLUX.1 Kontext旧款模型，优先选择FLUX.2

Critical Rules

核心规则

  1. NO negative prompts - FLUX does not support negative prompts; describe what you want
  2. Be specific - Vague prompts produce mediocre results
  3. Use natural language - Prose/narrative style works best
  4. Specify lighting - Lighting has the biggest impact on quality
  5. Quote text - Use "quoted text" for typography rendering
  6. Hex colors - Use #RRGGBB format with color description
  1. 请勿使用负面提示词 - FLUX不支持负面提示词；请描述你想要的内容
  2. 保持具体 - 模糊的提示词会产生平庸的结果
  3. 使用自然语言 - 散文/叙事风格效果最佳
  4. 指定光线 - 光线对图像质量影响最大
  5. 文本加引号 - 使用"带引号的文本"来渲染排版内容
  6. 十六进制颜色 - 结合颜色描述使用#RRGGBB格式

Related

相关内容

For API integration (endpoints, polling, webhooks), see the bfl-api skill.
如需API集成（端点、轮询、Webhook），请查看bfl-api技能。

Rules Reference

规则参考

Read individual rule files for detailed guidance:
  • rules/core-principles.md - Universal FLUX prompting principles
  • rules/flux2-models.md - FLUX.2 family: klein, max, pro, flex, dev
  • rules/flux1-models.md - FLUX.1 family: older generation of FLUX.2 models - pro, Kontext, Fill
  • rules/t2i-prompting.md - Text-to-image prompting patterns
  • rules/i2i-prompting.md - Image-to-image editing with FLUX.2
  • rules/json-structured-prompting.md - Complex scene composition
  • rules/hex-color-prompting.md - Precise color specification
  • rules/typography-text.md - Text rendering and typography
  • rules/multi-reference-editing.md - Multi-image references
  • rules/negative-prompt-alternatives.md - Positive alternatives
  • rules/model-selection-guide.md - Choosing the right model
阅读单独的规则文件获取详细指导：
  • rules/core-principles.md - FLUX通用提示词原则
  • rules/flux2-models.md - FLUX.2系列：klein、max、pro、flex、dev
  • rules/flux1-models.md - FLUX.1系列：FLUX.2的前代模型 - pro、Kontext、Fill
  • rules/t2i-prompting.md - 文本转图像提示词模式
  • rules/i2i-prompting.md - 使用FLUX.2进行图像转图像编辑
  • rules/json-structured-prompting.md - 复杂场景构图
  • rules/hex-color-prompting.md - 精准颜色指定
  • rules/typography-text.md - 文本渲染与排版
  • rules/multi-reference-editing.md - 多图像参考编辑
  • rules/negative-prompt-alternatives.md - 正面替代方案
  • rules/model-selection-guide.md - 模型选择指南

Example Prompt

示例提示词

A weathered fisherman in his 70s with deep wrinkles and a salt-and-pepper beard,
wearing a navy cable-knit sweater, standing at the helm of his wooden boat.
Golden hour sunlight from the left creates dramatic rim lighting on his profile.
Shot on Hasselblad with 85mm lens at f/2.8, shallow depth of field with harbor
lights creating soft bokeh in the background. Kodak Portra 400 color science.
A weathered fisherman in his 70s with deep wrinkles and a salt-and-pepper beard,
wearing a navy cable-knit sweater, standing at the helm of his wooden boat.
Golden hour sunlight from the left creates dramatic rim lighting on his profile.
Shot on Hasselblad with 85mm lens at f/2.8, shallow depth of field with harbor
lights creating soft bokeh in the background. Kodak Portra 400 color science.