PANTONE 4278 U

Neutral Gray

Technical Values

HEX#818489

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RGB129, 132, 137

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CMYK6, 4, 0, 46

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HSL217°, 3%, 52%

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Tints & Shades

Shades — Darkening PANTONE 4278 U

#818488

#74777B

#686A6E

#595B5F

#4D4E51

#404244

#343537

#28292A

#19191A

#0C0D0D

Tints — Lightening PANTONE 4278 U

#818488

#8E9195

#9B9DA1

#A6A8AB

#B3B5B7

#C0C1C4

#CDCED0

#DADBDC

#E5E5E6

#F2F2F3

Color Harmonies

Complementary

#818489

#888581

Analogous

#818788

#818489

#828188

Triadic

#818489

#888184

#848881

Nearest Pantone Colors

Name	Hex	Distance
PANTONE Cool Gray 10 U	#7F8489	ΔE 0.82
PANTONE 6212 C	#7E8389	ΔE 1.14
PANTONE 17-0000 TPX	#828487	ΔE 1.22
PANTONE 17-3913 TCX	#84878B	ΔE 1.28

CSS Implementation

Style Definitions

.color-primary {

background-color: #818489;

color: #000000;

border: 1px solid #818489;

background: linear-gradient(135deg, #818489 0%, #595B5F 100%);

}

Accessibility (WCAG)

Contrast on White Text

AA FAIL

Contrast on Black Text

AA PASSAAA FAIL

Recommendation: Use black text for optimal legibility on this color.

Color Blindness Simulation

Protanopia
#838489 (Red Blind)

Deuteranopia
#828389 (Green Blind)

Tritanopia
#7F8586 (Blue Blind)

About This Color

PANTONE 4278 U is an achromatic tone with a lightness of 52%. It works as a versatile neutral in any design system, providing balance and sophistication without competing with chromatic elements.

This mid-range tone offers excellent versatility, working in both digital interfaces and print applications. It provides strong visual impact while maintaining readability when paired with light or dark text.

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