Orange Red

A fervent blend of red and orange, as dazzling as a burning sunset glow

HEX#FF4500
RGBrgb(255, 69, 0)
HSLhsl(16, 100%, 50%)
HSVhsv(16, 100%, 100%)
CMYKcmyk(0%, 73%, 100%, 0%)
HEXA#FF4500FF
RGBArgba(255, 69, 0, 1)
HSLAhsla(16, 100%, 50%, 1)
OKLCHoklch(75.4%, 0.178, 59)
LCHlch(69.9%, 79.2, 69)

🎨 Color Palettes

Analogous2-3 adjacent hues (≤60°)
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#FF003B
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#FF4500
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#FFC300
Triadic3 hues spaced 120° apart
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#FF4500
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#00FF44
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#4400FF
Split ComplementaryMain color + colors adjacent to its complement
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#FF4500
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#00FFC4
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#003BFF
Complementary2 hues spaced 180° apart
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#FF4500
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#00BBFF
Tetradic (Rectangle)4 hues forming a rectangle
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#FF4500
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#3BFF00
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#00BBFF
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#C300FF
MonochromaticSingle hue with varying saturation and lightness
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#330E00
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#992900
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#FF4500
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#FF8F66
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#FFDACC

♿ WCAG Contrast Colors

Learn More →
Aa14px Body
High Contrast Text
#FFFFFFRatio 3.4:1AA Large
Suitable for body text, headings, and primary content, ensuring readability for all users
Aa14px Body
Standard Text
#FFFDF5Ratio 3.4:1AA Large
Suitable for regular body content, meeting WCAG AA standards
Aa14px Body
Large Text / UI Components
#CEFF47Ratio 3:1AA Large
Suitable for large text (≥18px bold or ≥24px), icons, UI component boundaries
Aa14px Body
Decorative / Dividers
#00FF44Ratio 2.5:1Fail
Suitable for decorative elements, dividers, non-essential text
Lightness VariationFixed hue and saturation, proportional lightness scaling 30%→100%
#4D1400Copy
#6B1D00Copy
#8A2500Copy
#A32C00Copy
#C23400Copy
#E03C00Copy
#FF4400Copy
Saturation VariationFixed hue and lightness, proportional saturation scaling 40%→100%
#B3684DCopy
#BF6240Copy
#CC5C33Copy
#D95626Copy
#E65019Copy
#F24A0DCopy
#FF4400Copy
Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling
#32211BCopy
#4C2B1FCopy
#693420Copy
#87391DCopy
#AC3E16Copy
#D3420DCopy
#FF4400Copy
Hue Fine-TuningFixed saturation and lightness, stepwise hue fine-tuning ±15°
#FF0400Copy
#FF1A00Copy
#FF2F00Copy
#FF4400Copy
#FF5900Copy
#FF6E00Copy
#FF8400Copy

💡 Use Cases

🏕️

Outdoor Gear

A safety color for mountaineering suits and camping equipment, offering the highest visibility protection in the wilderness, and also a visual totem of the outdoor exploration spirit.

🎸

Live Music

A primary color for lighting and visual design at rock music festivals, using the scorching heat of orange-red to ignite the collective euphoria of tens of thousands on and off the stage.

🏀

Sports Brands

An iconic palette for athletic shoes and team jerseys, conveying a sense of speed and explosive power, making the blood of athletes and spectators boil simultaneously.

🎆

Festival Fireworks

The first color launched into the sky at grand festival fireworks displays, announcing the celebration's beginning with orange-red's brilliance, capturing the moment of a thousand upturned gazes.

📜 Origin & History

The debut of orange-red in human civilization can be traced back to ancient campfires. As early ancestors gathered around leaping flames, the most intense part of the burning wood presented this fiery color, straddling the boundary between red and orange. It was the first natural force humanity learned to harness yet could never fully control; the orange-red of fire is deeply imprinted in the collective unconscious of all humankind.

Ancient Egyptians regarded orange-red as the sacred color of the sun god Ra. When painting pharaonic tomb murals, they mixed cinnabar and realgar to create a radiant hue approximating the solar disk, hoping this pigment closest to the sun's brilliance would guide the souls of the deceased through the underworld to an eternal shore of light.

In the aristocratic culture of Japan's Heian period, orange-red was imbued with the poetry of changing seasons. Waka poems often extolled the magnificent sight of autumn leaves burning across the mountains. 'Momijigari,' or autumn leaf viewing, gradually evolved into a collective aesthetic activity for the court and commoners alike; orange-red maple leaves became one of the most important natural mediums for the Yamato people to experience 'mono no aware'—the pathos of things.

19th-century Post-Impressionist painter Vincent van Gogh used orange-red to its extreme. In his 'Wheat Fields' and 'Sunflowers' series in Arles, he poured his inner passion into wild orange-red brushstrokes. In letters to his brother Theo, he repeatedly described the near-vertiginous creative impulse this color gave him. Under his brush, orange-red became the visual evidence of an artist's soul on fire.

In contemporary outdoor and extreme sports culture, orange-red, with its unparalleled visibility, has been endowed with a new functional aesthetic. Mountaineering suits, lifeboats, and traffic cones all choose this color, which remains conspicuous in adverse weather. Orange-red has moved from ancient fire worship to modern survival assurance, a dual expression of humanity's homage to and struggle against nature.

🧠 Color Psychology

ExplosivenessOrange-red is like a suddenly erupting volcano, instantly igniting inner passion and fighting spirit, making one charge towards a goal with unstoppable momentum.
AdventurousnessThis color calls for the courage to explore the unknown; it evokes the thrill of extreme sports and the exhilaration of conquering peaks, stimulating the impulse to challenge oneself.
Scorching HeatOrange-red brings not gentle warmth but burning heat; it suits the expression of extreme emotional states—loving to the point of madness, striving to the point of combustion.
Celebration of LifeLike the burning sunset glow on the horizon, orange-red teaches us to bloom brilliantly even knowing the end is near—a life-affirming ode to pursuing the infinite within the finite.
Free SpiritUntamed orange-red refuses to be bound by any framework; it represents the courage to break rules and spontaneous, carefree ease—a wild call from the depths of the soul.
UrgencyOrange-red is the color of countdowns; it quickens the heartbeat and spikes adrenaline, the final burst of sprinting power reserved for critical moments.