#818181 Color Information

#818181 Color Information
Details | Shades, Tints, and Tones | Variations | Color Coordinates | Color Schemes | HTML+CSS Examples | Coding & Programming | Color Blindness | Accessibility | Related Colors

The hexadecimal value (hex value) of this color is #818181, and its official name is Trolley Grey. In RGB, it consists of 50.6% Red, 50.6% Green, and 50.6% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 0% Magenta, 0% Yellow, and 49.4% Black. On the color wheel, its Hue is found at 0.0°, with saturation of 0% and lightness of 50.6%. The decimal value for #818181 is 8487297, and its nearest "web safe" color is #999999. In the RGB color space, the strongest component for #818181 is red. In the CMYK color space, its strongest component is black. And in the RYB color space, its strongest component is red.
  • HexHex code for this color#818181 Copy
  • NameThe common name of this colorTrolley Grey Copy
  • RGBRed, Green, Blue composition for this color129, 129, 129 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color50.6%, 50.6%, 50.6% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.494, 0.494, 0.494 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0, 0, 0.494 Copy
  • HSLHue, Saturation, Lightness combination for this color0.0°, 0.0%, 50.6% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color0.0°, 0.0%, 50.6% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color20.866, 21.953, 23.906 Copy
  • RYBRed, Yellow, Blue composition for this color129, 129, 129 Copy
  • DecimalDecimal representation of this color's hex code8487297 Copy
  • CIE-LABCIELAB color space coordinates for this color53.977, 0.003, -0.006 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)53.977, 0.007, 298.543 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color53.977, 0.001, -0.009 Copy
  • Hunter LabHunter-Lab color space coordinates for this color46.854, -2.500, 2.546 Copy
  • xyYCIE xyY color space coordinates for this color0.313, 0.329, 21.953 Copy
  • AndroidValue of this color in Android development4286677377 / 0xff818181 Copy
  • Web SafeHex code of the nearest "web safe" version of this color#999999 Copy

Shades of #818181

Shades are created by adding black to or removing lightness from a particular color. For #818181, its pure hue is 0.0° on the color wheel and its saturation is 0.0%, and its lightness is 50.6%. As the amount of black is added to this hue and we reduce its lightness, the result is increasingly darker shades tints. The palette given below provides 18 different shades of #818181, which — excluding black and our original color — range from #080808 to #797979.

Tints of #818181

Tints are created by adding white or lightness to a particular color. For #818181, its pure hue is 0.0° on the color wheel and its saturation is 0.0%, and its lightness is 50.6%. As the amount of white (lightness) is added to this hue, the result is increasingly lighter tints. The following palette gives 18 different tints of #818181, which — excluding white and our original color — range from #888888 to #f8f8f8.

Tones of #818181

Tones are the result of adding gray to a pure hue. In the case of #818181, its pure hue is 0.0° on the color wheel and its saturation is 0.0%, so we increase this saturation to create more colorful tones, and decrease the saturation to create grayer tones. The palette shown below gives 27 different tones of #818181, which range from #818181 (the grayest / 0% saturation) to #ff0303 (the most colorful / 100% saturation).

Variations of #818181

There are several ways to create color variations and premutations of #818181! For #818181, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 0 are different from our original color. Among these six variations, there are 1 unique colors including our original color, #818181. Click on these colors to learn more about them, too!

Color Coordinates of #818181

This color, #818181, consists of 50.6% Red, 50.6% Green, and 50.6% Blue, resulting in color coordinates Red = 129, Green = 129, Blue = 129. Likewise, the CMYK color space composition for #818181 is 0% Cyan, 0% Magenta, 0% Yellow, and 49.4% Black. These values are shown in the following charts and tables.

R50.6%
C0.0%
G50.6%
M0.0%
B50.6%
Y0.0%
K49.4%
Color Base R (Red) G (Green) B (Blue)
Decimal 129 129 129
Octal 201 201 201
Hexa #81 #81 #81
Binary 10000001 10000001 10000001
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 0 0 49
Octal 0 0 0 61
Hexa #00 #00 #00 #31
Binary 00000000 00000000 00000000 00110001

Analogous Colors of #818181

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #818181 — which has hue 0.0° — its analogous colors are located at 0.0° and 330.0° on the color wheel, with the same saturation and lightness as #818181.

Triadic Colors of #818181

Triadic colors are located 120 degrees away from a color's hue on the color wheel, which means the original color and its triadic colors are equidistant from one another on the color wheel and form a triangle. For #818181 — which has hue 0.0° — its triadic colors are located at 0.0° and 240.0° on the color wheel, with the same saturation and lightness as #818181.

Complementary Color of #818181

A complementary color is located opposite a color on the color wheel (180 degrees away). For #818181 — which has hue 0.0° — its complementary color is located at 180.0° on the color wheel, with the same saturation and lightness as #818181.

Split Complementary Colors of #818181

Split complementary colors are the analogs of a color's complement, which places them 210 degrees away on the color wheel from an original color. For #818181 — which has hue 0.0° — its split complementary colors its split complementary colors are located at 0.0° and 210.0° on the color wheel, with the same saturation and lightness as #818181.

Tetradic Colors of #818181

Tetradic colors are two sets of complementary colors on either side of a color wheel from each other, forming a rectangle on the color wheel. For #818181 — which has hue 0.0° — its tetradic colors are located at 270.0°, 0.0°, 90.0°, and 180.0° on the color wheel, with the same saturation and lightness as #818181.

Monochromatic Colors of #818181

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #818181, we show 9 different monochromatic colors of it, ranging from #424242 — (which has very low saturation and very low lightness) — to #c0c0c0 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #818181

We want to make getting started with #818181 on your website fast and easy! Below are 8 examples of how to integrate #818181 into a website using HTML+CSS. These examples include showing how #818181 can be used to color text, backgrounds, shadows, and borders, as well as how it can be used as a solid fill or gradient fill for rectangles. These examples principally make use of <span> and <div> tags, although the CSS shown in particular can be repurposed to make use of #818181 with other HTML elements.

#818181 Foreground / Text Color

The color of this text is #818181.
<span style="color: #818181;">The color of this text is #818181.</span>

#818181 Background Color

The background color for this text is #818181.
<div style="background-color: #818181; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #818181.</div>

#818181 Text Shadow Color

This color for the shadow of this text is #818181.
<span style="text-shadow: 3px 3px 3px #818181;">This color for the shadow of this text is #818181.</span>

#818181 Border Color

This is a div with border color #818181.
<div style="border: #818181 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #818181.</div>

#818181 Color Rectangle on a White Background

This is a rectangle of color #818181 on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #818181; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #818181 on a white background.</div></div>

#818181 Color Rectangle on a Black Background

This is a rectangle of color #818181 on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #818181; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #818181 on a black background.</div></div>

Gradient from #818181 to White

This is a gradient from #818181 to white.
<div style="background: -webkit-linear-gradient(left,#818181,white); /* Firefox */ background: linear-gradient(to right,#818181,white); /* Safari */ background: -o-linear-gradient(left,#818181,white); /* Opera */ background: -moz-linear-gradient(left,#818181,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #818181 to white.</div>

Gradient from #818181 to Black

This is a gradient from #818181 to black.
<div style="background: -webkit-linear-gradient(left,#818181,black); /* Firefox */ background: linear-gradient(to right,#818181,black); /* Safari */ background: -o-linear-gradient(left,#818181,black); /* Opera */ background: -moz-linear-gradient(left,#818181,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #818181 to black.</div>

Coding & Programming with #818181

In addition to using #818181 on the web, we know you might want to use it in your mobile and desktop apps, too. Whatever your needs, the table below shows how to access #818181 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #818181, or the RGB color coordinates for the same (Red = 129, Green = 129, Blue = 129). If you need details about the color coordinates of #818181 in other color spaces, refer to these details as provided toward the top of this page.

Language Environment Code Snippet
HTML + CSS (Hex Code) Web #818181
HTML + CSS (RGB Code) Web rgb(129, 129, 129)
CSS Background Color Web .myclass { background-color: #818181; }
CSS Foreground + Text Color Web .myclass { color: #818181; }
CSS Border Color Web .myclass { border: 2px solid #818181; }
Java (Multi-platform) new Color(129, 129, 129);
Python (Multi-platform) Color("#818181")
Swift iOS UIColor(red:129, green:129, blue:129, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:129 green:129 blue:129 alpha:1.0000];
OpenGL (Graphics) glColor3f(129f, 129f, 129f);
C# / .NET Windows Color.FromArgb(129, 129, 129);
 

#818181 Color Blindness

Not everyone can see #818181 the same way. For those with color blindness, #818181 might look very, very different. Here, we simulate eight examples of color blindness, and how #818181 looks next to each one of them. In all cases, #818181 is placed in a circle in the upper-left corner of each of the below boxes, with the color in the rest of those boxes signifying how #818181 looks for someone with that type of color blindness. Many people will perceive close similarities between the colors in these boxes and the colors in the circles — with some noticing particular similarities. We offer this insight so that as you make choices about colors to use for your purposes, you can make an informed decision about whether #818181 will be a good fit for everyone in your audience!

Trichromacy

Protanomaly
Affects 1 in 100 Men & 1 in 10,000 Women

Deuteranomaly
Affects 1 in 17 Men & 1 in 250 Women

Tritanomaly
Affects 1 in 10,000

Dichromacy

Protanopia
Affects 1 in 100, Mostly Men

Deuteranopia
Affects 1 in 100, Mostly Men

Tritanopia
Affects 1 in 100,000

Monochromacy

Achromatopsia
Affects 1 in 20,000

Achromatopsia
Affects 1 in 100,000

Accessibility

Not Recommended

We analyzed whether #818181 is an accessible color when used as a text / foreground color against a white background. This analysis is based on the Web Content Accessibility Guidelines (WCAG) 2 Level issued by W3C. Based on this analysis, we calculate a contrast ratio against white of approximately 3.9:1 against white. While there are some situations where this contrast is high enough to be considered accessible under the AA or AAA level standards, it is not high enough to be considered accessible in all cases. Details about the specific circumstances where #818181 would and would not be an accessible foreground color are summarized below.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text