25015 Caput Mortuum

Jackson's Artist Pigment

Company
Jackson's (7 products)
Medium
Pigment, dry or paste
Pigments
Transparency
Semi-Opaque
Drying time in oil
Average
Oil Absorption
15 g linseed oil / 100 g
Pigment particle size
≈ 2 µm
Description from the manufacturer
Caput Mortuum is an enigmatic reddish-brown with a little hint of violet. Its name comes from an alchemical latin term meaning ‘worthless remains’. The colour of natural red earth pigments is created by the presence of hematite– an iron-oxide-based mineral. The exact shade varies from location to location due to the concentration of hematite and the presence of other minerals that is specific to that area.
Lab 2D planes
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Sample
 
watercolor
masstone
digital sample
Value scale
Color Atlases
HLC H030_L035_C015
Color Notation (CIE L*a*b*)
L* 34.03 a* 14.02 b* 8.17 D50
L* 34.03 C* 16.23 30.24 D50

Sample
watercolor, masstone
Device
NCS Colourpin Pro
CIE-L*a*b*
L* 34.03 a* 14.02 b* 8.17 D50
L* 33.86 a* 13.44 b* 7.87 D65
CIE-L*Ch°(ab)
L* 34.03 C* 16.23 30.24 D50
L* 33.86 C* 15.58 30.35 D65
CIE-V*D*
V*ab 37.70 D*ab 67.94 D50
OK-Lab + Ch°
L 0.4349 a 0.0409 b 0.0203 C 0.0457 26.3934 D65
Munsell
Munsell 7.9R 3.3/2.7 C
CIECAM02
J 25.8 C 17.7 26.9 s 34.6 Q 153.5 M 18.4 a 15.8 b 8.0 D65
RGB
sRGB: r 104 g 72 b 68 hex #684844
P3: r 0.39 g 0.286 b 0.27
Disclaimer
Read about the samples and measurement methodology.
Color Mixes (experimental) 
1:0
3:1
3:2
1:1
2:3
1:3
0:1
Color mixer is an experimental feature using Mixbox: Pigment-Based Color Mixing. (Mixing within the sRGB gamut, assuming the colors were opaque colors.)
Color mixer is an experimental feature using the paints' spectral curves, measured on masstone to predict the mixing path, assuming the paints were opaque.
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25046 Natural Sienna Monte Amiata
Next pigment on the chart
25005 Brown Ochre