Deep Chrome Yellow

A deep version of the chrome yellow pigment, rich and heavy

HEX#E6B800

RGBrgb(230, 184, 0)

HSLhsl(48, 100%, 45%)

HSVhsv(48, 100%, 90%)

CMYKcmyk(0%, 20%, 100%, 10%)

HEXA#E6B800FF

RGBArgba(230, 184, 0, 1)

HSLAhsla(48, 100%, 45%, 1)

OKLCHoklch(88.8%, 0.186, 102)

LCHlch(87.4%, 86, 101)

🎨 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

Learn More →

Aa14px Body

High Contrast Text

#3D3100Ratio 6.9:1AA

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

Aa14px Body

Standard Text

#3D5700Ratio 4.4:1AA Large

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#187A00Ratio 2.9:1Fail

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

Aa14px Body

Decorative / Dividers

#009476Ratio 2:1Fail

Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

Online Color Picker → Gradient Generator →

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

#473900

#614E00

#7A6200

#947600

#B38F00

#CCA300

#E6B800

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

#A18E45

#AC9539

#B89C2E

#C3A322

#CFAA17

#DAB10B

#E6B800

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#2E2A19

#453D1C

#5E511D

#7A671A

#9E8215

#C09C0C

#E6B800

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

#E67E00

#E69100

#E6A400

#E6B800

#E6CB00

#E6DE00

#DAE600

💡 Use Cases

🚌

School Bus Paint

U.S. school buses are uniformly painted Chrome Yellow. Parents immediately recognize it in the thin morning fog. This color protects the school commute of tens of millions of children worldwide.

☢️

Radiation Symbol

The international radiation warning trefoil symbol uses a Chrome Yellow background. Hung at the entrances of nuclear plants and labs, the color itself is a silent alarm.

🎨

Oil Paint

Chrome Yellow is a must for Impressionist copying classes. Squeezed onto a palette, it looks like a small piece of solidified sunlight. Students' hands tremble slightly as they mix Van Gogh's wheat fields on the canvas.

⚡

High Voltage Signs

The Chrome Yellow warning signs on substation fences do not fade for decades. More efficiently than voice reminders, they stop all approaching footsteps—silent and reliable.

📜 Origin & History

Chrome Yellow is a product of the Industrial Revolution. In 1797, French chemist Louis Vauquelin discovered the new element chromium in a Siberian red lead ore and subsequently synthesized lead chromate into a brilliant yellow pigment. By 1818, Parisian pigment merchants began mass-producing Chrome Yellow, giving painters their first affordable, highly saturated yellow.

Van Gogh is the most famous martyr to Chrome Yellow. During his time in Arles in 1888, he frantically purchased tubes of Chrome Yellow, using dozens of them for his Sunflower series. He applied thick impasto layers of Chrome Yellow on the canvas, the brushstrokes piled like mud, trying to capture the thickness of the Southern French sunlight with pigment itself. Research a century later revealed that Chrome Yellow decomposes and discolors under light.

Chrome Yellow is also a watershed moment in industrial design. In the early 20th century, the U.S. school bus committee, after testing, chose Chrome Yellow as the nationwide uniform school bus color. Experiments proved Chrome Yellow had the highest visibility in the low-light conditions of dawn and dusk. The black lettering of the school name sprayed on the Chrome Yellow body created the strongest contrast. This regulation saves hundreds of schoolchildren's lives annually.

Chrome Yellow played a key role in modern Chinese art education. Xu Beihong placed Chrome Yellow at the top of the pigment list he brought back from France, believing that what Chinese painting lacked was precisely this pure, bright, warm yellow. Old professors at the Central Academy of Fine Arts still require students to master the properties of Chrome Yellow to understand the logic of the Impressionist color system.

Contemporary Chrome Yellow has been gradually replaced by organic pigments for environmental reasons. Traditional Chrome Yellow contains toxic lead and hexavalent chromium, and the EU banned its use in consumer goods in 2015. Cadmium-free 'Chrome Yellow' hues launched by major pigment brands strive to capture the soul of the color that once drove Van Gogh mad.

🧠 Color Psychology

Rich and Full-BodiedChrome Yellow is not diluted with water or mixed with white; it hits you solidly. Like biting into a ripe mango, the juice explodes in your mouth, holding nothing back.

Industrial StrengthChrome Yellow is a color born in the laboratory, carrying the optimism and confidence of the 19th century. It believed that science could replicate or even surpass nature's colors.

Radical ObsessionVan Gogh proved with his life that Chrome Yellow could be loved so obsessively. This color is not for the moderate; either don't love it, or love it till it poisons you.

Guardian of SafetySchool bus Chrome Yellow is a solemn promise to life. Every morning, it appears punctually on the street corner to pick up children, and parents feel at ease seeing that patch of yellow.

Historical WeightTwo hundred years of Chrome Yellow history strings together the Industrial Revolution, Impressionism, and modern safety standards. A small tube of pigment concentrates the progress of an entire modern civilization.

Definitive WarningChrome Yellow leaves no room for negotiation; its commands are clear and urgent. That's why radiation symbols and hazardous material labels use Chrome Yellow—a matter of life and death brooks no ambiguity.

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