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#646B57 Color Meaning and Information

Everything you need to know about #646B57 including values, color harmonies, shades, meanings, and applications in design, branding, and everyday visuals.

#646B57 Color Information

#646B57 RGB value is (100, 107, 87). The hex color red value is 100, green is 107, and blue is 87. Its HSL format shows a hue of 81°, saturation of 10 percent, and lightness of38 percent. The CMYK process values are 7 percent, 0 percent, 19 percent, 58percent.

#646B57
rgb(100, 107, 87)
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#646B57 Color Meaning

Color #646B57 conveys urban pragmatism, weathered resilience, and functional neutrality. Color #646B57 is a green-tinged grey that mirrors poured concrete after rain—cool, textured, and quietly enduring. Unlike sterile greys, #646B57 carries organic undertones from its green bias, softening its industrial edge. In architectural and infrastructure design, #646B57 hue signals durability without coldness. Environmental psychology links such warm greys to perceived stability in public spaces, reducing feelings of transience or neglect. Functionally, color #646B57 serves as a grounding neutral in minimalist and industrial aesthetics. #646B57 pairs well with rust, olive, and white oak, creating palettes that feel urban but not harsh. Digital use is strong as a background or card color in data-heavy interfaces, where #646B57 reduces glare without draining energy. Print consistency is high, especially on matte finishes that enhance its tactile quality. Consumer studies show products in color #646B57 are rated as more durable and utilitarian—ideal for tooling, tech accessories, and workwear. Culturally, color #646B57 reflects the beauty of the built environment—bridges, sidewalks, studio floors. #646B57 appears in streetwear, documentary film, and sustainable architecture as a symbol of honest materials. Spiritually, #646B57 connects to the root chakra’s grounded mode: presence through place. Designers use color #646B57 when they want to signal strength without show. Its reliability is its rebellion.

Color Conversion

Convert #646B57 across different color models and formats. These conversions help designers work seamlessly between digital and print media, ensuring this color maintains its intended appearance across RGB screens, CMYK printers, and HSL color manipulations.

HEX
#646B57
RGB
rgb(100, 107, 87)
HSL
hsl(81°, 10%, 38%)
CMYK
cmyk(7%, 0%, 19%, 58%)
HSV
hsv(81°, 19%, 42%)
XYZ
12.2335 13.9128 11.0575
Yxy
13.9128 0.3288 0.3740
Hunter Lab
37.2999 -0.3434 0.4498
CIE-Lab
44.1077 -6.6353 10.3238

RGB Values & CMYK Values

RGB Values

Red100 / 255 (39%)
39%
Green107 / 255 (42%)
42%
Blue87 / 255 (34%)
34%

CMYK Values

Cyan7 / 100 (7%)
Magenta0 / 100 (0%)
Yellow19 / 100 (19%)
19%
Key (Black)58 / 100 (58%)
58%

Color Variations

#646B57 harmonies come to life through carefully balanced shades, tints, and tones, giving this color depth and flexibility across light and dark variations. Shades add richness, tints bring an airy softness, and tones soften intensity, making it easy to pair in clean, modern palettes.

Color Harmonies

#646B57 harmonies create beautiful relationships with other colors based on their position on the color wheel. Each harmony type offers unique design possibilities, enabling cohesive and visually appealing color schemes.

Analogous

Colors adjacent on the color wheel (30° apart)

Complementary

Colors opposite on the color wheel (180° apart)

Split Complementary

Three colors using one base hue and the two hues beside its opposite

Triadic

Three colors evenly spaced (120° apart)

Tetradic

Four colors forming a rectangle on the wheel

Square

Four colors evenly spaced (90° apart)

Double Split

Four colors formed from two base hues and the colors next to their opposites

Monochromatic

Variations of a single hue

Contrast Checker

(WCAG 2.1) Test #646B57 for accessibility compliance against white and black backgrounds. Proper contrast ensures this color remains readable and usable for all audiences, meeting WCAG 2.1 standards for both normal and large text applications.

#FFFFFF
#646B57

Sample Text

This is how your text will look with these colors.

Large Text (18pt+)

5.55:1
WCAG AA
WCAG AAA

Normal Text

5.55:1
WCAG AA
WCAG AAA

UI Components

5.55:1
WCAG AA
WCAG AAA

Color Blindness Simulator

See how #646B57 appears to people with different types of color vision deficiencies. These simulations help create more inclusive designs that consider how this color is perceived across various visual abilities.

Normal Vision

#646B57

protanopia

#67675c

Note: These simulations are approximations. Actual color vision deficiency varies by individual.

CSS Examples

Background Color

background-color: #646B57;

Text Color

color: #646B57;

Sample Text

Border Color

border: 2px solid #646B57;

Box Shadow

box-shadow: 0 4px 6px #646B5740;

Text Shadow

text-shadow: 2px 2px 4px #646B57;

Sample Text

Gradient

background: linear-gradient(135deg, #646B57 0%, #3c4135 100%);

#646B57 Color FAQs

Frequently asked questions about #646B57 color meaning, symbolism, and applications. Click on any question to expand detailed answers.