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第六集-水彩顔料(一)

相信好多朋友都不懂選擇,初時多數亂買,貪外觀靚或者選最經濟🤔
水彩分兩三種有管裝,像牙膏般支裝的但細細支,不過要看清楚,我們小學時用的有可能是廣告彩,大家的樣子都是差不多,用途就不一樣,廣告彩覆蓋力效強,而水彩是透明水彩,管裝水彩有12,24支,些牌子有70 或一百以上(左圖),需要另外配一個調色盒。第二種是固體水彩磚裝(中),一粒粒朱古力有糖紙包裝著,放在盒內的小格子裡,盒蓋就是調色盤,在空白位開顏色,我用完通常沒有洗(懶),下次加水又可再用,有些人說會發霉😁😛還有液體水彩(右圖),細細樽墨水的外表,它可以加入去儲水筆用,或當Brush pen寫字😍
管裝在調色盒用完要清洗嗎?是要的,因為乾後會變硬😨
管裝和磚裝都有分別的,當然兩種都可以用,管裝有好多牌子都好好用,有些好的管裝水彩,一個顏色單一支都要幾十至百幾元。
現在大多數人貪方便,有些同學都花得起錢便會買磚裝,磚裝那一個好用呢?越好用價錢就越貴,所謂一分錢一分貨😂😎 磚裝是固體水彩,即是硬的,有些看起來乾身亦有些是感覺粘粘的。那為什麼管裝乾了硬了難開色出來,磚裝可以輕易做到呢?它們本身混合了一些不同成份,其實它們是半乾狀態。
水彩顏料最大的特點是具有通透性和流動性。即係透明度同擴散力,每個品牌都有一定的個性和特點,色料和媒介的配方都或許不同,有的阿拉伯膠多一點,比較透明,有的牛膽汁多一點,比較擴散,即是化開的效果,還有顏料中含有很多輔助融化的媒介劑,例如蜂蜜或最常用的甘油,是有什麼用途?只要使用濕潤的畫筆就可以沾取顏色,質量好的專業顏料可以很輕鬆的得到濃郁的顏色,某些品牌學生級別的則可能會稍微費勁一點。而同一個品牌的不同顏色,由於色素本身的問題,色料研磨的顆粒粗細、沉澱表現,又很不一樣。而這些個性,往往體現在混色後的沉澱、透明度的變化。
這些色磚顏料的灌裝方式很多樣,有的是先將顏料製作成條狀,切割後塞進塑料格子里,有的則是將濕的顏料直接擠在格子裡並乾燥而成。格仔分半塊(下左圖)或者全塊,半塊顏料的色素量和5毫升的管狀顏。有部份品牌的色磚會跟一支貂毛筆😍有些是跟一支儲水筆,遲些我們再介紹水彩筆。
有同學問管裝可以注入這種磚裝盒嗎?原本用管裝是配備水彩碟或調色盒,用完會將整個清潔,後來大家都越來越懶,管裝是可以注入格仔的,但乾後會變硬,自製還會有裂紋(上右圖),這樣顏料需要更多的水才能溶解的更好,它們會比磚裝水彩更需要用力沾取,否則顏色可能比較淺淡,這也會造成畫筆磨損較快一點。所以每次用之前要噴一噴水溶化先💧
另外試了同學送給的管裝水彩,新韓這個牌子未有色磚,我已把它入了在色磚盒,做了一個18色的色版,在入盒後一星期沾取還很好,等多一星期就一個月了,下次再分享。建議同學初學用管裝是為了大家可以容易辨別顏色🤓

因為管裝一看就知道是什麼顏色,而色磚比較濃,可能有6至8粒看起來非常深色(圖左)例如紫色藍色灰色,都像是黑色般。所以初學通常用管裝,磚裝價錢比較昂貴,一般好用的磚裝顏料由800至千幾,管裝幾十至幾百一盒,最貴百幾元一支,美國生產的下次再講,初期大家都不會捨得買,所以我嘗試了幾款較經濟的色磚,幾十至二三百元都要測試,終於找到一兩款可以上堂用,給同學多一個選擇😘
好了,下集再分享用過的顏料有什麽分別,再見。
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