Pearl Copper

A deep copper-brown metallic luster, as historically heavy as ancient bronzes

HEX#7B3F00

RGBrgb(123, 63, 0)

HSLhsl(31, 100%, 24%)

HSVhsv(31, 100%, 48%)

CMYKcmyk(0%, 49%, 100%, 52%)

HEXA#7B3F00FF

RGBArgba(123, 63, 0, 1)

HSLAhsla(31, 100%, 24%, 1)

OKLCHoklch(65.7%, 0.135, 83)

LCHlch(59.8%, 63.1, 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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Aa14px Body

High Contrast Text

#FFE9D1Ratio 7:1AAA

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

Aa14px Body

Standard Text

#C4C700Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#54AD00Ratio 2.9:1Fail

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

Aa14px Body

Decorative / Dividers

#008F4ARatio 2:1Fail

Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

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Lightness VariationFixed hue and saturation, proportional lightness scaling 30%→100%

#241200

#331A00

#422200

#522A00

#5C2F00

#6B3700

#7A3F00

Saturation VariationFixed hue and lightness, proportional saturation scaling 40%→100%

#563E25

#5C3E1F

#623E18

#683F12

#6E3F0C

#743F06

#7A3F00

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#17120C

#241A0F

#332210

#432A0E

#512F0B

#653706

#7A3F00

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

#7A2100

#7A2B00

#7A3500

#7A3F00

#7A4900

#7A5400

#7A5E00

💡 Use Cases

💡

Industrial Lighting

The combination of copper lampshades and exposed bulbs creates a unique light and shadow effect in vintage factory style.

🚿

Bathroom Hardware

A copper-toned surface treatment for faucets and showerheads, balancing antibacterial function with visual warmth.

🖼️

Picture Frames

Copper-toned frames for classical oil paintings, adding a sense of history and solemnity to the artwork.

☕

Coffee Equipment

The copper exterior of pour-over kettles and cups conveys the warmth and ritual of manual brewing.

📜 Origin & History

Pearl Copper (RAL 8029) also originates from the German RAL industrial color standard. This deep copper-brown corresponds to the color of rich copper ore in nature, one of the earliest metal colors used by humanity, dating back to the dawn of the Copper Age around 9000 BC.

Artifacts from the Bronze Age (starting c. 3300 BC) developed mottled patinas of green and brown over millennia of oxidation. The deep brown tones within are the color source for Pearl Copper, recording human civilization's leap from stone to metal tools.

In Western classical architecture, copper roofs and statues erode over time to form a stable dark brown oxidation layer (an intermediate state before verdigris). The Gates of Paradise relief at the Florence Baptistery is a famous example of this copper color evolution.

During the Industrial Revolution, the widespread use of copper mechanical parts and piping brought this deep copper color into daily view. It represents a practical industrial aesthetic; unlike the roughness of cast iron, copper's warm luster is more approachable.

In contemporary design, Pearl Copper is often used as a key element of vintage industrial style. Exposed copper pipe lamps and furniture hardware become visual focal points, connecting the craft heritage of past and present.

🧠 Color Psychology

Historical WeightA rust-like patina awakens an awe of ancient civilizations and time, enhancing a sense of historical depth.

Tenacity & PerseveranceThe robust imagery of metal inspires fortitude and endurance, helping to maintain resilience in the face of challenges.

Warm & RusticA reddish, warm brown base evokes associations with earth and hearth fires, bringing a primal sense of safety and warmth.

Pragmatic FocusA utilitarian color brings one back to concrete matters, reducing daydreaming and agitation.

Artisan CraftsmanshipA metallic hue from the age of handcraft inspires respect for exquisite skill and a creative impulse.

Sense of BelongingThe affinity of an earthy tone fulfills a psychological need for rootedness and belonging, alleviating a sense of displacement.

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