Bronze Green (RAL 6031)

A dark blue-gray-green RAL color like bronze patina, with a metallic texture—archaic and weighty.

HEX#474A51

RGBrgb(71, 74, 81)

HSLhsl(222, 7%, 30%)

HSVhsv(222, 12%, 32%)

CMYKcmyk(12%, 9%, 0%, 68%)

HEXA#474A51FF

RGBArgba(71, 74, 81, 1)

HSLAhsla(222, 7%, 30%, 1)

OKLCHoklch(66.2%, 0.01, 267)

LCHlch(60.8%, 9.2, 235)

🎨 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

#E4E5E7Ratio 7:1AAA

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

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Standard Text

#BAB8C1Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#9C92A0Ratio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#837277Ratio 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%

#151619

#1C1E21

#26282C

#2D2F34

#37393F

#40434A

#474A52

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

#4A4C4F

#494B50

#484B51

#474A52

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#161717

#1E1E20

#27282A

#2E2F33

#38393E

#414349

#474A52

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

#474D52

#474C52

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#474952

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💡 Use Cases

🏛️

Museum Showcase

The background wall and display stand fabric in bronze artifact exhibition halls; the dark tone of Bronze Green does not steal the luster of the artifacts themselves, yet perfectly sets off the ancient atmosphere.

🗿

Sculpture Surface

The chemical patination treatment of modern bronze sculptures; the cool, stern tone of Bronze Green adds a dimension of time's vicissitude to abstract sculptural forms.

🏢

Corporate Headquarters

The lobby wall stone or metal panels of century-old corporate headquarters; Bronze Green suggests the company's long history and rock-solid, stable foundation.

🎖️

Monument Plaques

The bronze inscription panels on war memorials, pre-oxidized to Bronze Green, as if carrying the weight of long remembrance from the very moment of unveiling.

📜 Origin & History

Bronze Green RAL 6031 recreates the dark blue-gray-green patina formed on bronze artifacts under specific burial conditions; unlike bright verdigris, this deeply colored bronze patina typically occurs in oxygen-deprived tomb environments, a crucial basis for archaeologists to determine the excavation context of artifacts.

🧠 Color Psychology

Archaic and WeightyLike a heavy bronze ritual vessel that has slept for three thousand years in a museum showcase, Bronze Green carries the weight of civilization, involuntarily commanding respect from frivolous gazes.

Resolute and Time-WornBronze is the material of battle-axes and swords; the blue-gray-green after corrosion is a dual imprint of war and peace, the desolation and depth after the aura of slaughter has faded.

Metallic BackboneEven corroded by time, it never loses its metallic skeleton; Bronze Green represents a backbone that, even with a mottled exterior, remains hard and unyielding within.

Solemn and SeriousThe dark blue-gray-green tone is extremely restrained, unsuitable for laughter and jest; it demands a matching gravity and ritual, the color of ceremonies and sacrifices.

Inscribed in HistoryThe inscriptions cast on bronze artifacts have been passed down through this color; Bronze Green is the guardian of history, witnessing dynastic changes in silence.

Slowly Accumulated StrengthBronze took a thousand years underground to generate this layer of patina, the ultimate long-termism, hinting at the profound weight that only long accumulation can achieve.

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