Signal Green (RAL 6032)

The special green for RAL signaling signs—clear, striking, a safety directive color.

HEX#396C39

RGBrgb(57, 108, 57)

HSLhsl(120, 31%, 32%)

HSVhsv(120, 47%, 42%)

CMYKcmyk(47%, 0%, 47%, 58%)

HEXA#396C39FF

RGBArgba(57, 108, 57, 1)

HSLAhsla(120, 31%, 32%, 1)

OKLCHoklch(70.7%, 0.079, 145)

LCHlch(67%, 32.5, 154)

🎨 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

#FFFFFFRatio 6.2:1AA

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

Aa14px Body

Standard Text

#C6E1D4Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#83BEBERatio 3:1AA Large

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

Aa14px Body

Decorative / Dividers

#8D8DC3Ratio 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%

#122112

#172B17

#1E391E

#254625

#2C542C

#315E31

#386B38

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

#485B48

#455F45

#426142

#406440

#3D663D

#3B683B

#386B38

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#171C17

#1D251D

#243324

#2B402B

#304F30

#345B34

#386B38

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

#456B38

#416B38

#3D6B38

#386B38

#386B3D

#386B41

#386B45

💡 Use Cases

🏭

Machine Start Button

The safety start buttons on all production line equipment are uniformly Signal Green, allowing operators to press accurately even in emergency situations.

🚪

Emergency Exit

The push bar of fire doors and emergency exit lights in public buildings; Signal Green has better penetration than red in dense smoke, a life-saving color in fires.

🔋

Charge Complete

The charge completion indicator on electric vehicle charging piles; when Signal Green lights up, it means the battery is full and ready to go, driving the next journey.

🏁

Race Start

In the starting light array of various levels of motorsport, Signal Green lights up first; it represents the official opening of the speed contest, igniting adrenaline.

📜 Origin & History

Signal Green RAL 6032 stands alongside Traffic Green as the two major safety signage greens in the RAL color system; its chromaticity is more vivid and cheerful than Traffic Green, specifically designed for occasions requiring the active issuance of safety commands, such as machine start buttons and safety door release handles.

🧠 Color Psychology

Authoritative CommandLike the green start light on a ship's bridge, once Signal Green illuminates, it means the order is given and action begins, carrying an unquestionable authority.

Safety ConfirmationIn potentially hazardous environments, this single green dot means 'safe to operate', instantly eliminating the operator's tension and doubt.

Clear and DecisiveBrighter and purer than ordinary green, Signal Green has thoroughly purged hesitation and ambiguity from its hue, leaving only a clear, unmistakable signal.

Positive ActionRed means stop, green means go; Signal Green is the most active role in the spectrum of human behavioral commands, the motivational color that pushes things forward.

Reliable GuaranteeGreen on a safety system must be infallible; Signal Green is thus bound to an extremely high standard of reliability, the contractual color of life safety.

Priority of IdentificationDesigned from the outset by sacrificing all aesthetic considerations to pursue the shortest possible recognition time, Signal Green is the ultimate in visual efficiency.

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