PANTONE P 178-13 U

Neutral Gray

Technical Values

HEX#66635D

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RGB102, 99, 93

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CMYK0, 3, 9, 60

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HSL40°, 5%, 38%

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Tints & Shades

Shades — Darkening PANTONE P 178-13 U

#66635C

#5B5852

#504E49

#484641

#3E3C38

#33312E

#282724

#1D1D1B

#151513

#0B0A0A

Tints — Lightening PANTONE P 178-13 U

#66635C

#76726B

#868279

#97938C

#A5A29C

#B4B1AC

#C2C0BC

#D1CFCC

#E2E1DF

#F0F0EF

Color Harmonies

Complementary

#66635D

#5C5F66

Analogous

#665E5C

#66635D

#64665C

Triadic

#66635D

#5C6663

#635C66

Nearest Pantone Colors

Name	Hex	Distance
PANTONE 20-0008 TPM	#66645F	ΔE 0.85
PANTONE 154-1-5 U	#69655D	ΔE 1.55
PANTONE P 179-13 U	#64605D	ΔE 2.07
PANTONE Dark Night	#645E58	ΔE 2.24

CSS Implementation

Style Definitions

.color-primary {

background-color: #66635D;

color: #FFFFFF;

border: 1px solid #66635D;

background: linear-gradient(135deg, #66635D 0%, #484641 100%);

}

Accessibility (WCAG)

Contrast on White Text

AA PASSAAA FAIL

Contrast on Black Text

AA FAIL

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

Color Blindness Simulation

Protanopia
#65635D (Red Blind)

Deuteranopia
#65645D (Green Blind)

Tritanopia
#686261 (Blue Blind)

About This Color

PANTONE P 178-13 U is an achromatic tone with a lightness of 38%. 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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