370 Mars Black

Old Holland Classic Watercolours

Company
Old Holland (4 products)
Medium
Watercolor
Pigments
Transparency
Opaque
Lab 2D planes
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Sample
Old Holland Classic Watercolours 370 Mars Black PBk11 measurement swatch
watercolor
masstone
Display P3
sRGB
Value scale
Color Atlases
HLC H000_L025_C000
Color Notation (CIE L*a*b*)
L* 25.32 a* 0.69 b* 1.78 D50
L* 25.32 C* 1.91 68.80 D50

Sample
watercolor, masstone
Paper
Hahnemühle Echt Bütten CP 300gsm
Device
Nix Spectro 2
Mode
M2 (light source: Tungsten + UV-cut filter)
CIE-L*a*b*
L* 25.32 a* 0.69 b* 1.78 D50
L* 23.87 a* 0.50 b* 0.86 D65
CIE-L*Ch°(ab)
L* 25.32 C* 1.91 68.80 D50
L* 23.87 C* 1.00 59.65 D65
CIE-V*D*
V*ab 25.39 D*ab 74.71 D50
OK-Lab + Ch°
L 0.3562 a 0.0020 b 0.0046 C 0.0050 66.1637 D65
Munsell
Munsell C
CIECAM02
J 18.4 C 2.2 63.0 s 13.2 Q 129.8 M 2.3 D65
RGB
sRGB: r 62 g 60 b 57 hex #3E3C39
P3: r 0.241 g 0.234 b 0.226
Spectral Curve
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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075 Scheveningen Intense Black
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367 Vine Black