Cadmium Orange
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Cadmium Orange
#FF6700 · click to copy
Warm
HEX
#FF6700
RGB
255, 103, 0
CMYK
0%, 60%, 100%, 0%
Pigment
PO20, PO36
Lightfastness
Excellent (I)
Moods & Keywords
orange warm bright energetic fire sunset cadmium opaque vivid warm orange
Pigment & Material
PO20, PO36 Synthetic
Cadmium sulfoselenide. Brilliant and opaque, but toxic. Now often replaced by safer alternatives.
⚠️ Toxicity: High — cadmium compounds are toxic; handle with care
☀️ Lightfastness: Excellent (I)
Origin & History
Cadmium orange was introduced in the 1840s as part of the cadmium colour family. Van Gogh was among the first to use it extensively, applying it directly from the tube in thick impasto strokes. The Fauvist movement of the early 20th century elevated orange to a primary expressive colour.
Also Known As
Chrome Orange Cadmium Orange Deep Spectrum Orange
Psychology
Energetic, enthusiastic, and warm. Cadmium orange is the colour of harvest, fire, and autumn sunsets. It is less aggressive than red but more energetic than yellow — a colour of creativity and warmth. In large quantities it can feel overwhelming; as an accent it radiates vitality.
In Culture
Van Gogh's passionate use of orange — contrasted against complementary blues and purples — became one of the most influential colour relationships in Western art. Orange has become associated with creativity and unconventionality. The Dutch royal family's association with orange (House of Orange) makes it the national colour of the Netherlands.
Natural Sources
No natural cadmium orange source. Historical orange pigments included realgar (arsenic sulfide — highly toxic) and minium (red lead). Orpiment (arsenic trisulfide) produced a similar golden-orange. Natural orange dyes came from annatto seeds (Bixa orellana).
Making It Yourself
Safe alternative to cadmium orange:
Mix Pyrrol Red (PR254) with Hansa Yellow Medium (PY74) — adjust ratio for desired orange.
Or use Transparent Pyrrole Orange (PO43) directly — excellent lightfastness, non-toxic.
Natural orange paint: crush annatto seeds (achiote), soak in oil — produces warm golden-orange (not lightfast).
Art Movements
Impressionism Fauvism Abstract Expressionism Pop Art
Famous Works
Wheatfield with Crows
Vincent van Gogh, 1890
The Night Café
Vincent van Gogh, 1888
Orange, Red, Yellow
Mark Rothko, 1961
Available As
Winsor & Newton — Cadmium Orange (PO20)
Daniel Smith — Cadmium Orange (PO20)
Golden — Cadmium Orange
Daniel Smith — Pyrrol Orange (PO73) — cadmium-free alternative
Colour data compiled with AI. Spot an error or have more to add? Leave a Note — ekphra reviews and updates.
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