Dayflower: Ukiyo-e colorant

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Express Delivery Boats Rowing through Waves by Katsushika Hokusai

Dayflower 青花(aobana): A blue dye extracted from the petals of Commelina communis var. hortensis (大帽子花 (ooboshibana)) better known as aobana. It is the cultivated from the Asiatic dayflower (Commelina communis) or tsukusa (露草) . The herbaceous annual plant gets its name because the blooms last for only one day.The blue colorant in the dayflower blue dye is primarily commelinin.

Indigo and dayflower are the two blues used in Japanese woodblock prints until Prussian blue enters the palette in the 1830's. Indigo appears most frequently from the 1740’s onwards as a color mixed with orpiment to produce a variety of greens. As a single colorant, it appears as a comparatively dull blue color. Due to its poor tinting strength, a relatively large amount needs to be used during printing in order to obtain a good saturation of this color. Its texture is somewhat coarse which makes it difficult to execute graduated hues from dark to light. Unlike dayflower, it is stable to moisture but is prone to fading.

For more information see: Dayflower

Examples of Dayflower in Ukiyo-e Prints

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Analysis

Fiber optic reflectance spectroscopy (FORS) can easily identify the three blues: indigo, dayflower, and Prussian blue.

Other Images of Dayflower

List of Prints

List of prints where indigo was detected

Pages in category "Dayflower: Ukiyo-e colorant"

The following 52 pages are in this category, out of 52 total.

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