PANTONE 4188 U

Neutral Gray

Technical Values

HEX#637274

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RGB99, 114, 116

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CMYK15, 2, 0, 55

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HSL187°, 8%, 42%

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Tints & Shades

Shades — Darkening PANTONE 4188 U

#637274

#596769

#505C5E

#444E50

#3B4445

#31393A

#282E2F

#1E2324

#131616

#090B0B

Tints — Lightening PANTONE 4188 U

#637274

#718284

#809193

#8E9D9F

#9FABAD

#AFBABB

#C0C8C9

#D0D6D7

#DEE2E3

#EEF1F1

Color Harmonies

Complementary

#637274

#746563

Analogous

#63746D

#637274

#636974

Triadic

#637274

#746372

#727463

Nearest Pantone Colors

Name	Hex	Distance
PANTONE 445 U	#667273	ΔE 1.36
PANTONE 444 XGC	#657575	ΔE 1.62
PANTONE P 176-8 U	#646F70	ΔE 1.92
PANTONE 4188 UP	#657271	ΔE 1.93

CSS Implementation

Style Definitions

.color-primary {

background-color: #637274;

color: #FFFFFF;

border: 1px solid #637274;

background: linear-gradient(135deg, #637274 0%, #444E50 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
#6F7074 (Red Blind)

Deuteranopia
#6C6E74 (Green Blind)

Tritanopia
#5F7373 (Blue Blind)

About This Color

PANTONE 4188 U is an achromatic tone with a lightness of 42%. 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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