Cadmium Orange

Standard orange made from cadmium pigment, beloved by Impressionist painters

HEX#F28C28

RGBrgb(242, 140, 40)

HSLhsl(30, 89%, 55%)

HSVhsv(30, 83%, 95%)

CMYKcmyk(0%, 42%, 83%, 5%)

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RGBArgba(242, 140, 40, 1)

HSLAhsla(30, 89%, 55%, 1)

OKLCHoklch(85%, 0.12, 78)

LCHlch(82.2%, 46.2, 87)

🎨 Color Palettes

Analogous2-3 adjacent hues (≤60°)

Triadic3 hues spaced 120° apart

Split ComplementaryMain color + colors adjacent to its complement

Complementary2 hues spaced 180° apart

Tetradic (Rectangle)4 hues forming a rectangle

MonochromaticSingle hue with varying saturation and lightness

♿ WCAG Contrast Colors

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High Contrast Text

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Suitable for body text, headings, and primary content, ensuring readability for all users

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Standard Text

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Suitable for regular body content, meeting WCAG AA standards

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Large Text / UI Components

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Suitable for large text (≥18px bold or ≥24px), icons, UI component boundaries

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Decorative / Dividers

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Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

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Lightness VariationFixed hue and saturation, stepwise lightness adjustment ±30%

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Saturation VariationFixed hue and lightness, stepwise saturation adjustment ±30%

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#E78C32

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Lightness + Saturation Mixed VariationSimultaneous lightness and saturation adjustment

#814C18

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Hue Fine-TuningFixed saturation and lightness, stepwise hue fine-tuning ±15°

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💡 Use Cases

🎨

Oil Painting

A preferred pigment for capturing sunrises, sunsets, autumn leaves, and flowers; one of the essential colors in Impressionist techniques for depicting light and color changes.

🏺

Modern Ceramics

A glaze color choice for contemporary ceramic art, using cadmium-based glazes for bold, bright visual effects suitable for avant-garde collections and public installations.

🛋️

Modern Furniture

A finish color for plastic and metal furniture by Italian and Nordic design brands, using high-saturation orange to create a vibrant focal point in minimalist spaces.

📸

Fashion Photography

A color for backgrounds, lighting, and model outfits in fashion editorials, creating strong chromatic contrasts that etch visual memories and lead seasonal trends.

📜 Origin & History

The birth of cadmium orange is inseparable from the 19th-century chemical industry. After German chemist Friedrich Stromeyer discovered the element cadmium in 1817, cadmium yellow and cadmium orange pigments were subsequently synthesized, offering painters an unprecedentedly bright warm color option.

By the mid-19th century, cadmium pigments were industrially produced and quickly favored by artists. Compared to traditional mineral orange pigments, cadmium orange offered leaps in opacity, tinting strength, and lightfastness, transforming the painter's palette.

The Impressionists became the most devoted proponents of cadmium orange. Monet heavily used it in 'Impression, Sunrise' and his Rouen Cathedral series to capture fleeting light effects, while Renoir used it to depict sun-warmed female skin and lush flowers.

Post-Impressionist Van Gogh pushed the emotional expressiveness of cadmium orange to its extreme. In 'Sunflowers' and 'The Night Café,' cadmium orange juxtaposed with complementary colors produced intense visual tension, conveying the artist's burning passion for life and spiritual struggle.

In 20th-century modern art and design, cadmium orange expanded from easel painting to posters, fashion, and industrial products. Due to the toxicity of cadmium, modern organic pigments have largely replaced it, but the color standard of cadmium orange remains widely recognized to this day.

🧠 Color Psychology

IncandescentThe extremely high saturation and pure orange tone is like molten metal, releasing an invigorating scorching heat and irrepressible passion.

PureThe exceptionally pure and unadulterated color development of cadmium pigment evokes a sense of clarity, stirring the pursuit of pure ideals and absolute truth.

DramaticStrong opacity and visual impact make this color naturally suited to expressing conflict and tension, stimulating a dramatic emotional fluctuation.

Avant-GardeAs a new synthetic pigment born from the Industrial Revolution, cadmium orange carries a spirit of breaking tradition and embracing modernity, encouraging innovation and experimentation.

AssertiveThe uncompromising color personality encourages confident self-expression, rejecting mediocrity and conformity, stirring the courage to show one's true self.

YearningA saturated orange ready to burst evokes deep desires for life, love, and success, mirroring the sunflower's passion for forever following the sun.

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