Standard Green

The pure, strong HTML standard green—vivid, eye-catching, the foundational green of the digital age.

HEX#008000

RGBrgb(0, 128, 0)

HSLhsl(120, 100%, 25%)

HSVhsv(120, 100%, 50%)

CMYKcmyk(100%, 0%, 100%, 50%)

HEXA#008000FF

RGBArgba(0, 128, 0, 1)

HSLAhsla(120, 100%, 25%, 1)

OKLCHoklch(68.9%, 0.234, 142)

LCHlch(66.4%, 97.3, 139)

🎨 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

#FAFFFARatio 5.1:1AA

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

Aa14px Body

Standard Text

#B3FFD9Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#00DBDBRatio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#000080Ratio 3.1:1AA Large

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%

#002900

#003300

#004200

#005200

#006100

#007000

#008000

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

#265926

#206020

#196619

#136C13

#0D730D

#067906

#008000

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#0E1B0E

#0F240F

#103310

#0E430E

#0B560B

#076907

#008000

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

#208000

#158000

#0B8000

#008000

#00800B

#008015

#008020

💡 Use Cases

✅

Interface Confirmation

Success action prompts and checkmark icons in mobile applications inform users that tasks are complete, establishing positive interactive feedback.

🔋

Battery Indicator

Battery icons on electronic devices display green when fully charged, intuitively and wordlessly conveying a 'ready to go' message.

🚦

Traffic Lights

The globally universal green light signal ensures the efficient operation of traffic systems, the most important visual command in urban order.

🧾

Data Reports

In stock trading and financial statements, green numbers represent an increase and profit, directly influencing investor decision-making psychology.

📜 Origin & History

As one of the three RGB primary colors, Standard Green is a cornerstone of digital imaging technology, bearing the responsibility of constructing the virtual world since the invention of color television and computer monitors.

In early 8-bit color systems, green occupied 6 bits, while red and blue each had 3 bits because the human eye is most sensitive to variations in green, highlighting its core role in digital vision.

HTML Standard Green was established by the World Wide Web Consortium in the 1990s as one of the 16 basic web-safe colors, coded #008000, the most fundamental green in a digital designer's palette.

Standard Green is also the benchmark color for traffic lights and emergency exit signs; its striking properties transcend the boundary between digital and physical reality, becoming an indispensable visual language in modern society.

🧠 Color Psychology

Safe PassageAn internationally standardized green signal, rooted deep in everyone's subconscious, signifies a clear path ahead and permission to act without worry.

Correct and AccurateFrom red crosses and green checkmarks in school to green for profit in business reports, Standard Green represents verified correct results and positive feedback.

Solid FoundationAs one of the primary colors, it plays the role of a foundation in the color world, providing a psychological support that is solid, reliable, and unshakable.

Clear and StrikingFalling within the wavelength range most sensitive to the human eye, Standard Green can be instantly captured in complex environments, possessing the highest efficiency in visual communication.

Eco-FriendlyIn modern contexts, this pure green has been symbolized as the spokesperson color for our planet, carrying the noble mission of sustainable development.

PredictabilityA standard green without any color cast represents certainty and predictability, eliminating the unease caused by ambiguity.

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