Herculane Red
Herculane Red (No. 138) Ⓥ VEGAN A rich, earthy red made from 100% natural red clay soil composed of minerals and iron oxides. Formulated with PR101 (Synthetic Red Iron Oxide), Herculane Red offers excellent lightfastness and a semi-opaque finish. This fast-drying, non-toxic inorganic pigment is known for its stability, warmth, and suitability for underpainting or tonal foundations. Low in oil content with average tinting strength, it’s a dependable classic for serious painters.
Herculane Red is a single-pigment Michael Harding oil colour made with PR101 (Inorganic).
It is semi-opaque, excellent lightfastness, fast drying time, average tinting strength.
It is ground in linseed oil with low oil content.
- Code
- No. 138
- Series
- Series 1
- Pigment Index
- PR101
- Pigment Type
- Inorganic
- Oil / Vehicle
- Linseed Oil
- Sizes
- 40ml · 60ml · 225ml, 1L, 2.5L, 5L
- Lightfastness
- Excellent
- Opacity
- Semi-Opaque
- Drying
- Fast
- Oil Content
- Low
- Tint Power
- Average
- Toxicity
- Non-Toxic
Measured colour data
Loading measured pigment data…
Tint · Tone · Shade · Glaze
Preview how Herculane Red behaves when mixed, toned, shaded and glazed. Each swatch is computed from the masstone using a perceptual subtractive model - an approximation for guidance, not a formulation guarantee.
Herculane Red straight from the tube.
A thin wash over white.
Mixed with Titanium White.
Mixed with a mid neutral grey.
Darkened with a chromatic black.
A thin transparent film over white.
Popular combinations
Open Herculane Red in the Virtual Mixing Studio to preview how it combines with these partners before you reach for the palette.
Open Herculane Red in Mixing StudioFeatured in 3 palettes
What pigment is used in Herculane Red?
Herculane Red is made with PR101.
Is Herculane Red a single-pigment colour?
Yes. Herculane Red uses a single pigment (PR101), so its behaviour stays consistent and predictable on the palette.
Is Herculane Red transparent or opaque?
Herculane Red is semi-opaque.
Is Herculane Red lightfast?
Herculane Red has excellent lightfastness.
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Colour Disclaimer: Colours shown on screen or in print may vary from the actual product. For the most accurate representation of colour, texture and finish, we recommend viewing a physical sample or swatch in person before making your final selection.