Zaffre
| Zaffre | |
|---|---|
 Color coordinates | |
| Hex triplet | #0014A8 |
| sRGBB(r,g,b) | (0, 20, 168) |
| HSV(h,s,v) | (233°, 100%, 66%) |
| CIELChuv(L,C,h) | (21, 81, 265°) |
| Source | X11 |
| ISCC–NBS descriptor | Deep blue |
| B:Normalized to [0–255] (byte) | |
Zaffre(also speltZaffer), aprescientific,oralchemical substance,is a deep bluepigmentobtained by roastingcobaltore,and is made of either an impure form of cobalt oxide[1]or impure cobalt arsenate. During theVictorian Era,zaffre was used to preparesmaltand to stain glass blue.[2]
The first recorded use ofzafferas a color name in English was sometime in the 1550s (exact year uncertain).[3]
See also
[edit]References
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