藍色挑豆盤的祕密

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coffeebeans.com.tw 的手挑生豆作業檯上面,你可以看到一些用來進行挑豆作業的長方形淺盤,塑料材質的淺盤子本身平淡無奇,值得一提的是它們的「顏色」。注意到了嗎?我們使用的挑豆盤全部只有一種顏色「藍色」。

也許你會問,為什麼都是藍色?

特意採用藍色並不是為了美觀或是品味上的考量,事實上,只要你也使用藍色的挑豆盤,就能讓挑豆作業的準確度及效率大幅提昇!

不相信嗎?請看以下的圖片:

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由上至下,依序是將同一把新鮮咖啡生豆,放置在黑色、銀色(不鏽鋼)、及藍色的盤子裡面。

發現了沒?放在藍色盤子上面的咖啡生豆,視覺上是不是顯得特別清楚、突出?這種視覺上的「突出效果」,可以幫助我們又快又準地把瑕疵豆挑出來!事實上,我們可以把上面的對照組換成其他任何一種顏色,白色紅色黃色灰色綠色紫色金色…比較之後,你會發現,對於挑豆辨識度來說,仍是藍色底色大幅勝出。

這是什麼道理?原因很簡單,只是利用基本色彩學的「互補色(對比色)」原理。因為新鮮咖啡生豆的外觀顏色並非單純的綠色,色彩上通常帶著黃色調,「黃色」的互補色是「藍色」,基於對比色的原理,使得放在藍色盤子裡的咖啡生豆,在視覺效果上更加地顯眼!

再看一次,咖啡生豆灑在藍色盤子上,竟是如此地亮麗醒目:

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藍色的盤子不只對咖啡生豆有視覺凸顯作用,對於焙炒過後的咖啡熟豆同樣適用!

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類似的例子,我們也可以在國際咖啡評測場合上慣用的樣品豆盤上面看到。

左圖是 SCAA 製作的咖啡樣品豆盤。這種小盤子在咖啡業界盤商及烘焙商廣泛地使用,歷年來在外型以及材質上曾經有些變化(最早採用卡紙摺成,目前已改用塑膠材質以利重複使用),唯一自始至終維持不變的,只有它們顏色–都是「藍色」。

現在就試試看,把挑豆盤換成藍色吧!

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