Colour reference

Cobalt Green

26 Cobalt Green paints from 16 brands, measured in CIE L*a*b* and compared with Delta E 2000.

Why Cobalt Green isn't one colour

Every brand makes its own Cobalt Green, and no two are quite the same. They pick different pigments, grind them differently and mix them to their own recipe — so two tubes with the same word on the label can look noticeably different once they are on the paper.

We measured all 26 of them from 16 brands and compared them the way a lab would, using a number called Delta E. It is just a measure of how far apart two colours look to the human eye. Under 2 and almost nobody can tell them apart; over 10 and most people would call them different colours.

Useful when your usual Cobalt Green is out of stock and you need the closest substitute, when you are deciding which brand to buy, or when a mix you got right last time will not come out the same again.

How far is each brand from the average?

Every brand's version measured against the average of all 26 paints. Below 2 is imperceptible to most people; above 10 is obviously a different colour.

BrandDistance from the averageIn practice
M. GrahamDelta E 1.47Near-identical
Daniel SmithDelta E 1.54Near-identical
GamblinDelta E 1.76Near-identical
LukasDelta E 1.85Near-identical
Old HollandDelta E 1.85Near-identical
Royal TalensDelta E 1.85Near-identical
WilliamsburgDelta E 1.85Near-identical
SennelierDelta E 1.89Near-identical
HolbeinDelta E 1.90Near-identical
Winsor & NewtonDelta E 2.60Very close
LiquitexDelta E 2.64Very close
VallejoDelta E 3.22Very close
Michael HardingDelta E 3.27Very close
MaimeriDelta E 6.20Noticeably different
GoldenDelta E 6.87Noticeably different
Nevskaya PalitraDelta E 7.90Noticeably different

Which brands are interchangeable?

The closest pairs among 120 brand comparisons - swap one for another and most people would not see the difference.

  • LukasvsOld HollandDelta E 0.00Near-identical
  • LukasvsRoyal TalensDelta E 0.00Near-identical
  • LukasvsWilliamsburgDelta E 0.00Near-identical
  • Old HollandvsRoyal TalensDelta E 0.00Near-identical
  • Old HollandvsWilliamsburgDelta E 0.00Near-identical
  • Royal TalensvsWilliamsburgDelta E 0.00Near-identical

Which brands are clearly different?

The furthest apart. Same name on the tube, visibly different paint.

  • GoldenvsNevskaya PalitraDelta E 14.61Clearly different
  • GoldenvsMaimeriDelta E 11.60Clearly different
  • LiquitexvsNevskaya PalitraDelta E 10.08Clearly different
  • GamblinvsNevskaya PalitraDelta E 9.43Noticeably different
  • GoldenvsVallejoDelta E 9.34Noticeably different
  • GoldenvsMichael HardingDelta E 9.32Noticeably different

Pigments used

Brands do not always use the same pigment for the same colour name.

PG19

Golden, Sennelier

PG26

Daniel Smith, Golden, Holbein, Lukas, Maimeri, Winsor & Newton

PG50

Gamblin, Golden, Holbein, Liquitex, M. Graham, Michael Harding, Nevskaya Palitra, Old Holland, Royal Talens, Sennelier, Vallejo, Williamsburg, Winsor & Newton

Lightfastness

How well the colour resists fading. ASTM I is the most permanent; V is fugitive.

I

Daniel Smith, Gamblin, Golden, Holbein, Liquitex, Lukas, M. Graham, Maimeri, Michael Harding, Nevskaya Palitra, Old Holland, Royal Talens, Sennelier, Vallejo, Williamsburg, Winsor & Newton

Opacity

How much the paint covers what is underneath.

Opaque

Golden, Liquitex, Maimeri, Vallejo

Semi-Opaque

Golden, Nevskaya Palitra, Sennelier, Winsor & Newton

Semi-Transparent

Daniel Smith, Gamblin, Holbein, Lukas, M. Graham, Michael Harding, Old Holland, Royal Talens, Sennelier, Williamsburg, Winsor & Newton

Available in

The kinds of paint this colour is made as.

Closest other colours

If you cannot get this one, these sit nearest to it across the same brands.

Every Cobalt Green we have measured

All 26 paints, with the measurements the comparisons above are built from.

BrandLineMedium HexL*a*b*PigmentOpacityLightfastness
Daniel SmithExtra Fine Watercolorswatercolor#008a7051.1, -38.3, 5.0PG26Semi-TransparentI
GamblinArtist's Oil Colorsoil#00836748.5, -37.7, 6.6PG50Semi-TransparentI
GoldenFluidacrylic#00836748.5, -37.7, 6.6PG50OpaqueI
GoldenHeavy Bodyacrylic#00836748.5, -37.7, 6.6PG50OpaqueI
GoldenHeavy Bodyacrylic#30594b34.4, -17.9, 3.1PG26Semi-OpaqueI
GoldenOPENacrylic#30584b34.1, -17.2, 2.9PG26Semi-OpaqueI
GoldenQoR Modern Watercolorswatercolor#3c8c6e52.8, -32.0, 8.8PG19Semi-OpaqueI
HolbeinArtists' Oil Coloroil#00876c50.0, -38.1, 5.8PG50Semi-TransparentI
HolbeinArtists' Watercolorwatercolor#008e7652.6, -38.3, 3.7PG26Semi-TransparentI
HolbeinHeavy Body Acrylicacrylic#008c7351.8, -38.3, 4.4PG50Semi-TransparentI
LiquitexProfessional Heavy Bodyacrylic#00826e48.4, -35.3, 2.3PG50OpaqueI
Lukas1862 Artists' Oiloil#008a6c51.0, -39.4, 7.2PG26Semi-TransparentI
M. GrahamArtists' Oil Colorsoil#00826948.2, -36.7, 5.0PG50Semi-TransparentI
M. GrahamArtists' Watercolorwatercolor#00917853.6, -39.1, 4.0PG50Semi-TransparentI
MaimeriPurooil#4b917355.1, -29.5, 9.2PG26OpaqueI
Michael HardingArtists Oil Coloursoil#008c6951.6, -41.0, 9.8PG50Semi-TransparentI
Nevskaya PalitraMaster Classoil#419b7d58.1, -34.3, 7.8PG50Semi-OpaqueI
Old HollandClassic Oil Colorsoil#008a6c51.0, -39.4, 7.2PG50Semi-TransparentI
Royal TalensRembrandt Oil Colorsoil#008a6c51.0, -39.4, 7.2PG50Semi-TransparentI
SennelierArtists' Oil Colorsoil#00876949.9, -38.9, 7.4PG50Semi-TransparentI
Sennelierl'Aquarellewatercolor#378c6e52.6, -33.2, 8.5PG19Semi-OpaqueI
VallejoAcrylic Artist Coloracrylic#008c7852.0, -36.9, 1.7PG50OpaqueI
WilliamsburgHandmade Oil Colorsoil#008a6c51.0, -39.4, 7.2PG50Semi-TransparentI
Winsor & NewtonArtists' Oil Colouroil#007d6946.6, -34.5, 2.6PG26Semi-TransparentI
Winsor & NewtonProfessional Acrylicacrylic#008c7852.0, -36.9, 1.7PG50Semi-OpaqueI
Winsor & NewtonProfessional Watercolourwatercolor#00988056.1, -39.8, 3.1PG26Semi-TransparentI
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