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🎨視覺#148入門金字塔 · 做
經營者創作者GeminiChatGPTMidjourney#圖像#電商#產品攝影

電商產品白底主圖(去背電商規格)

用途

生成符合蝦皮、Momo、Amazon、品牌官網規格的純白底產品主圖——產品居中、光線均勻、輕陰影落地感,直接上架不需後製去背。

何時用

  • 適合:平台上架主圖、比價頁、產品目錄、規格頁——凡是需要「白底、聚焦、乾淨」的場合
  • 不要用:品牌形象廣告、社群情境貼文、需要情感共鳴的場景——這些場合白底圖會顯得冷硬無感;也不適合需要精確呈現品牌 Logo 或印刷文字的產品

Prompt

text
【中文說明】
產品主體:{{產品描述,如「透明玻璃精華液瓶,金色滴管瓶蓋,霧面標籤」}}
背景:純白(RGB 255, 255, 255),seamless,符合 Amazon / 蝦皮主圖規格
光線:攝影棚柔光箱(softbox)均勻打光,前方 45 度輔助補光,無強烈陰影
角度:{{如「正面水平視角」「30 度斜側等角」「俯角正射」}}
陰影:極淡接地陰影(contact shadow),讓產品不像懸浮
構圖:產品佔畫面 85%,四周保留等比邊距
長寬比:1:1(方形,平台標準)
品質:商業目錄攝影,高解析,無浮水印

【英文 Prompt(主要繪圖引擎)】
{{Product description, e.g. "clear glass serum bottle with gold dropper cap and frosted label"}},
on a pure seamless white background (RGB 255,255,255),
professional product photography, studio softbox lighting from 45-degree angle,
fill light from the front to eliminate harsh shadows,
{{camera angle, e.g. "straight-on front view at eye level"}},
subtle contact shadow at base to prevent floating appearance,
product fills approximately 85% of frame with equal margins on all sides,
sharp focus throughout, no depth of field blur,
commercial catalog photography, high resolution, no text, no watermark, no logo,
aspect ratio 1:1,
avoid: gray or off-white background, harsh shadows, reflection artifacts, floating product, distorted shape

範例 / 變體

  • 填好變數:「Clear glass serum bottle with gold dropper cap and frosted white label, on a pure seamless white background (RGB 255,255,255), professional product photography, studio softbox lighting from 45-degree angle with front fill light, straight-on front view at eye level, subtle contact shadow at base, product fills 85% of frame with equal margins, sharp focus throughout, commercial catalog photography, no text, no watermark, aspect ratio 1:1」
  • 變體(斜 30 度角,展示立體感):把角度換為 "30-degree isometric angle, slight elevation to show top of product",適合瓶罐、盒裝、3C 產品展示側面造型
  • 變體(多角度組合):生成 3 張——正面 / 側面 45 度 / 俯角三視圖,在同一提示中加入 "three-view composite: front, 45-degree side, top-down, white background, same lighting across all three"

🎯 範例輸出(實測)

Midjourney 跑這句、把 {{變數}} 填成「產品:透明玻璃精華液瓶、金色滴管瓶蓋、霧面白色標籤 / 角度:正面水平視角」的結果:

點開看 AI 實際輸出

精修後的英文 prompt:

text
Clear glass serum bottle with gold metal dropper cap and frosted white label,
on a pure seamless white background (RGB 255,255,255),
professional product photography, studio softbox lighting from upper 45-degree angle,
fill light from the front to eliminate harsh shadows,
straight-on front view at eye level, bottle perfectly upright and centered,
subtle contact shadow at base to prevent floating appearance,
product fills approximately 85% of frame with equal margins on all sides,
sharp focus throughout entire product from cap to base, no depth of field blur,
commercial catalog photography quality, high resolution,
no text, no watermark, no logo, no props,
aspect ratio 1:1,
avoid: gray or off-white background, harsh one-sided shadows, visible reflection artifacts,
floating product, shape distortion, color cast on glass

預期畫面:瓶身居中,玻璃材質清透折射光線,金色滴管蓋細節清晰,霧面標籤區平整均勻。底部有一道極淡的接地陰影,視覺上「落地」但不沉重。背景純白無任何色偏,符合蝦皮、Momo 主圖審核標準。

建議後製確認:生成後用 Photoroom 吸取背景色——若 RGB 值在 252–255 之間即合格;低於 250 建議調亮再上傳。

🎨 沒有真實截圖(繪圖 AI 需在對話框手動跑)── 把上方精修 prompt 複製進去試試: ChatGPT(GPT-4o / image) · Gemini · Midjourney

💡 實測心得:玻璃瓶最容易出現的問題是 AI 把背景光折射進瓶身而產生淡藍/淡灰色偏——在 prompt 裡加上「avoid: color cast on glass」這一句,可以明顯降低退件率。

延伸

重點來了——平台審核最常退件的原因是「背景不夠白」(灰白或漸層會被判定不合規)。提示中明確寫出 pure white background RGB 255,255,255 加上 seamless,是提高一次過件率的關鍵。

你有沒有遇過這種情況?產品圖生出來感覺還可以,上傳到蝦皮後顯示「主圖不符規定」?那通常是背景有一點點灰度——用這組提示語再試一次,成功率高出很多。

生成完建議用 Photoroom 或 remove.bg 做最後確認,確保背景值真的是純白。可搭配 ecommerce-product-scene 情境圖一起製作完整的產品視覺組合。

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