Color Details and Palettes for #726364

Details about the color Acoustic Brown

Closest web-safe match: #666666

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 #726364
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About Color Hex #726364

The color Acoustic Brown, with hexadecimal code #726364, sits in the gray spectrum, evoking neutrality, balance, and professional composure. Grays anchor palettes without competing for attention. Additionally, it evokes emotions such as Passion, Energy, Love, Excitement, Danger and Desire. With negligible saturation (7%), this color is effectively achromatic—a pure neutral that pairs with any hue without competition. With a mid-range lightness of 42%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. This color is ideal for designs that aim to express Passion, Energy, Love, Excitement, Danger, or Desire. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Acoustic Brown are (114, 99, 100), providing a combination of red: 114, green: 99, and blue: 100. In HSL format, it has a hue of 356.00°, saturation of 7.00%, and lightness of 42.00%.

The HSV representation includes a hue of 356.00°, saturation of 13.00%, and value of 45.00%. Its CMYK composition is cyan: 0.00%, magenta: 13.00%, yellow: 12.00%, and black: 55.00%.

The calculated luminance of #726364 is 0.134, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #666666. Its contrast ratio is 3.68:1 against black and 5.70:1 against white. It works well on light backgrounds but may be challenging on darker ones.

In terms of color temperature, #726364 reads as neutral. When it comes to accessibility, testing against standard guidelines suggests that using white text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #726364 is white.

Considering its saturation and lightness, #726364 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #726364

Acoustic Brown (#726364) belongs to the Gray color family.

As an achromatic shade, this color carries a timeless, versatile neutrality that anchors any palette it joins.

Historical Background

Gray has long bridged the extremes of black and white in art and symbolism. Medieval monks wore gray habits to signal humility and penance. In Impressionist painting, artists discovered that mixing complementary colors yielded luminous grays far richer than simple black-white blends, unlocking new expressive possibilities that influenced everything from Monet's haystacks to Whistler's nocturnes.

Design & Usage Tips

Mid-tone grays are the workhorse of web and print layout, providing structure without stealing attention from primary content. Use gray for secondary text, borders, and icon states. A carefully chosen gray can unify diverse color accents across a multi-brand ecosystem.

Psychological Impact

Gray projects neutrality, professionalism, and composure. It anchors more vibrant colors and prevents visual chaos. Overuse, however, can feel flat or indecisive, so balancing gray with at least one saturated accent keeps designs engaging.

With a mid-range lightness of 42%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Build a grayscale type hierarchy—dark gray headings, medium-gray body text, light-gray captions—to establish clear information architecture. Combine warm grays (slightly yellow undertones) with wood-texture photography for an organic, approachable brand feel.

#726364 Color Conversions

Every way to write Acoustic Brown — copy Acoustic Brown as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#726364

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(114, 99, 100)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(356, 7%, 42%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(356, 13%, 45%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(356 39% 55%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(0%, 13%, 12%, 55%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(51.43% 0.019 13.22)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(51.43% 0.019 0.004)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 43.39, a: 6.17, b: 1.63

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 43.39, C: 6.38, H: 14.83

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 13.70, Y: 13.42, Z: 13.92

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
7496548

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #726364

RGB Color Percentages for Acoustic Brown (HEX Code: #726364) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Red, making up 36.42% of the total composition. The complete breakdown of RGB contributions is:

Red:
36.42%
Green:
31.63%
Blue:
31.95%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Acoustic Brown.

CMYK Ink Levels & Print Guide for #726364

CMYK Ink Levels for Acoustic Brown (HEX Code: #726364) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Acoustic Brown prominently features Key, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 0%, Magenta: 13.16%, Yellow: 12.28%, and Black: 55.29%.

Luminance & Contrast for #726364

Relative luminance gauges how bright Acoustic Brown is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.134
0 · dark1 · light
Aa
Black text 3.68:1
AA AAA Large
Aa
White text 5.70:1
AA AAA Large

Quick CSS Snippets for #726364

Copy-and-paste CSS for Acoustic Brown — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #726364;
Text color: #726364;
Border border: 2px solid #726364;
RGB background-color: rgb(114, 99, 100);
HSL background-color: hsl(356, 7%, 42%);
Variable --color: #726364;

#726364 Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#f1eff0
#dcd8d8
#c7c1c1
#b1a9aa
#9c9293
#877a7b
#726364 Original
#615455
#504546
#3f3637
#2e2828
#1d1919
#0b0a0a

#726364 Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#726364 Original
#647372

#726364 Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#726364 Original
#736a64
#73646c
#737264
#726473
#6c7364
#6a6473

#726364 Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#726364 Original
#657364
#646573

#726364 Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#726364 Original
#6c7364
#647372
#6a6473

Color Blindness Simulation for #726364

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Acoustic Brown (#726364) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Friendly

Protanopia (Red Weakness)

Friendly

Tritanopia (Blue-Yellow Weakness)

Friendly

Achromatopsia (Total Color Blindness)

Friendly

Color Harmonies for #726364

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#726364 Nearby Colors

A handful of colors just a step away from #726364 — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#887777 Empress
#665555 Pinot Noir
#998888 Zinc
#554444 Chinotto
#776666 Acoustic Brown
#666666 Dim Gray
#886666 Reading Tea Leaves
#777777 Lucky Grey

Colors Similar to #726364

These colors are close neighbours of #726364 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Gray tone.

#736364 Acoustic Brown
#726464 Acoustic Brown
#726365 Acoustic Brown
#716364 Acoustic Brown
#726264 Chimaera
#726363 Acoustic Brown
#836364 Reading Tea Leaves
#727464 Mangrove
#726375 Rum
#616364 Grey Web
#725264 Hibernation
#726353 Kabul

Looking for more Gray shades? Browse Gray colors →

Explore Vibrant Images Featuring Acoustic Brown (#726364)

Discover a vibrant gallery of images that not only showcase the captivating hue of Acoustic Brown, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.