#81d1da Color Information

#81d1da 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 #81d1da, and its official name is Sea of Tranquility. In RGB, it consists of 50.6% Red, 82.0% Green, and 85.5% Blue. Likewise, in the CMYK color space, it consists of 40.8% Cyan, 4.1% Magenta, 0% Yellow, and 14.5% Black. On the color wheel, its Hue is found at 186.1°, with saturation of 54.6% and lightness of 68%. The decimal value for #81d1da is 8507866, and its nearest "web safe" color is #99cccc. In the RGB color space, the strongest component for #81d1da is blue. In the CMYK color space, its strongest component is cyan. And in the RYB color space, its strongest component is blue.
  • HexHex code for this color#81d1da Copy
  • NameThe common name of this colorSea of Tranquility Copy
  • RGBRed, Green, Blue composition for this color129, 209, 218 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color50.6%, 82.0%, 85.5% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.494, 0.180, 0.145 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.408, 0.041, 0, 0.145 Copy
  • HSLHue, Saturation, Lightness combination for this color186.1°, 54.6%, 68.0% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color186.1°, 40.8%, 85.5% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color44.509, 55.330, 74.664 Copy
  • RYBRed, Yellow, Blue composition for this color129, 171, 218 Copy
  • DecimalDecimal representation of this color's hex code8507866 Copy
  • CIE-LABCIELAB color space coordinates for this color79.231, -22.204, -12.174 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)79.231, 25.322, 208.735 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color79.231, -36.835, -15.447 Copy
  • Hunter LabHunter-Lab color space coordinates for this color74.384, -23.365, -7.444 Copy
  • xyYCIE xyY color space coordinates for this color0.255, 0.317, 55.330 Copy
  • AndroidValue of this color in Android development4286697946 / 0xff81d1da Copy
  • Web SafeHex code of the nearest "web safe" version of this color#99cccc Copy
Last Updated: February 5, 2023

Shades of #81d1da

Shades are created by adding black to or removing lightness from a particular color. For #81d1da, its pure hue is 186.1° on the color wheel and its saturation is 54.6%, and its lightness is 68.0%. 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 #81d1da, which — excluding black and our original color — range from #080c0d to #79c5cd.

Tints of #81d1da

Tints are created by adding white or lightness to a particular color. For #81d1da, its pure hue is 186.1° on the color wheel and its saturation is 54.6%, and its lightness is 68.0%. 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 #81d1da, which — excluding white and our original color — range from #88d4dc to #f8fcfd.

Tones of #81d1da

Tones are the result of adding gray to a pure hue. In the case of #81d1da, its pure hue is 186.1° on the color wheel and its saturation is 54.6%, 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 #81d1da, which range from #aeaeae (the grayest / 0% saturation) to #5cefff (the most colorful / 100% saturation).

Variations of #81d1da

There are several ways to create color variations and premutations of #81d1da! For #81d1da, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 5 are different from our original color. Among these six variations, there are 6 unique colors including our original color, #81d1da. Click on these colors to learn more about them, too!

Color Coordinates of #81d1da

This color, #81d1da, consists of 50.6% Red, 82.0% Green, and 85.5% Blue, resulting in color coordinates Red = 129, Green = 209, Blue = 218. Likewise, the CMYK color space composition for #81d1da is 40.8% Cyan, 4.1% Magenta, 0% Yellow, and 14.5% Black. These values are shown in the following charts and tables.

R50.6%
C40.8%
G82.0%
M4.1%
B85.5%
Y0.0%
K14.5%
Color Base R (Red) G (Green) B (Blue)
Decimal 129 209 218
Octal 201 321 332
Hexa #81 #d1 #da
Binary 10000001 11010001 11011010
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 40 4 0 14
Octal 50 4 0 16
Hexa #28 #04 #00 #0e
Binary 00101000 00000100 00000000 00001110

Analogous Colors of #81d1da

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #81d1da — which has hue 186.1° — its analogous colors are located at 156.1° and 216.1° on the color wheel, with the same saturation and lightness as #81d1da.

Triadic Colors of #81d1da

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 #81d1da — which has hue 186.1° — its triadic colors are located at 66.1° and 306.1° on the color wheel, with the same saturation and lightness as #81d1da.

Complementary Color of #81d1da

A complementary color is located opposite a color on the color wheel (180 degrees away). For #81d1da — which has hue 186.1° — its complementary color is located at 6.1° on the color wheel, with the same saturation and lightness as #81d1da.

Split Complementary Colors of #81d1da

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 #81d1da — which has hue 186.1° — its split complementary colors its split complementary colors are located at 36.1° and 336.1° on the color wheel, with the same saturation and lightness as #81d1da.

Tetradic Colors of #81d1da

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 #81d1da — which has hue 186.1° — its tetradic colors are located at 96.1°, 186.1°, 276.1°, and 6.1° on the color wheel, with the same saturation and lightness as #81d1da.

Monochromatic Colors of #81d1da

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #81d1da, we show 9 different monochromatic colors of it, ranging from #5ea4ac — (which has very low saturation and very low lightness) — to #b7eff6 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #81d1da

We want to make getting started with #81d1da on your website fast and easy! Below are 8 examples of how to integrate #81d1da into a website using HTML+CSS. These examples include showing how #81d1da 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 #81d1da with other HTML elements.

#81d1da Foreground / Text Color

The color of this text is #81d1da.
<span style="color: #81d1da;">The color of this text is #81d1da.</span>

#81d1da Background Color

The background color for this text is #81d1da.
<div style="background-color: #81d1da; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #81d1da.</div>

#81d1da Text Shadow Color

This color for the shadow of this text is #81d1da.
<span style="text-shadow: 3px 3px 3px #81d1da;">This color for the shadow of this text is #81d1da.</span>

#81d1da Border Color

This is a div with border color #81d1da.
<div style="border: #81d1da 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #81d1da.</div>

#81d1da Color Rectangle on a White Background

This is a rectangle of color #81d1da on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #81d1da; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #81d1da on a white background.</div></div>

#81d1da Color Rectangle on a Black Background

This is a rectangle of color #81d1da on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #81d1da; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #81d1da on a black background.</div></div>

Gradient from #81d1da to White

This is a gradient from #81d1da to white.
<div style="background: -webkit-linear-gradient(left,#81d1da,white); /* Firefox */ background: linear-gradient(to right,#81d1da,white); /* Safari */ background: -o-linear-gradient(left,#81d1da,white); /* Opera */ background: -moz-linear-gradient(left,#81d1da,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #81d1da to white.</div>

Gradient from #81d1da to Black

This is a gradient from #81d1da to black.
<div style="background: -webkit-linear-gradient(left,#81d1da,black); /* Firefox */ background: linear-gradient(to right,#81d1da,black); /* Safari */ background: -o-linear-gradient(left,#81d1da,black); /* Opera */ background: -moz-linear-gradient(left,#81d1da,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #81d1da to black.</div>

Coding & Programming with #81d1da

In addition to using #81d1da 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 #81d1da in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #81d1da, or the RGB color coordinates for the same (Red = 129, Green = 209, Blue = 218). If you need details about the color coordinates of #81d1da 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 #81d1da
HTML + CSS (RGB Code) Web rgb(129, 209, 218)
CSS Background Color Web .myclass { background-color: #81d1da; }
CSS Foreground + Text Color Web .myclass { color: #81d1da; }
CSS Border Color Web .myclass { border: 2px solid #81d1da; }
Java (Multi-platform) new Color(129, 209, 218);
Python (Multi-platform) Color("#81d1da")
Swift iOS UIColor(red:129, green:209, blue:218, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:129 green:209 blue:218 alpha:1.0000];
OpenGL (Graphics) glColor3f(129f, 209f, 218f);
C# / .NET Windows Color.FromArgb(129, 209, 218);
 

#81d1da Color Blindness

Not everyone can see #81d1da the same way. For those with color blindness, #81d1da might look very, very different. Here, we simulate eight examples of color blindness, and how #81d1da looks next to each one of them. In all cases, #81d1da 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 #81d1da 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 #81d1da 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 Accessibility Recommended

We analyzed whether #81d1da 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 1.7:1 against white. Under both the AA and AAA level standards, this is not a high enough ratio to be considered accessible for either normal size or large text.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text