#51b8e1 Color Information

#51b8e1 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 #51b8e1. In RGB, it consists of 31.8% Red, 72.2% Green, and 88.2% Blue. Likewise, in the CMYK color space, it consists of 64% Cyan, 18.2% Magenta, 0% Yellow, and 11.8% Black. On the color wheel, its Hue is found at 197.1°, with saturation of 70.6% and lightness of 60%. The decimal value for #51b8e1 is 5355745, and its nearest "web safe" color is #66cccc. In the RGB color space, the strongest component for #51b8e1 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#51b8e1 Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color81, 184, 225 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color31.8%, 72.2%, 88.2% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.682, 0.278, 0.118 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.64, 0.182, 0, 0.118 Copy
  • HSLHue, Saturation, Lightness combination for this color197.1°, 70.6%, 60.0% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color197.1°, 64.0%, 88.2% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color34.124, 41.467, 77.439 Copy
  • RYBRed, Yellow, Blue composition for this color81, 141, 225 Copy
  • DecimalDecimal representation of this color's hex code5355745 Copy
  • CIE-LABCIELAB color space coordinates for this color70.502, -17.483, -29.384 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)70.502, 34.192, 239.247 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color70.502, -40.513, -44.246 Copy
  • Hunter LabHunter-Lab color space coordinates for this color64.395, -18.099, -26.225 Copy
  • xyYCIE xyY color space coordinates for this color0.223, 0.271, 41.467 Copy
  • AndroidValue of this color in Android development4283545825 / 0xff51b8e1 Copy
  • Web SafeHex code of the nearest "web safe" version of this color#66cccc Copy
Last Updated: March 18, 2024

Shades of #51b8e1

Shades are created by adding black to or removing lightness from a particular color. For #51b8e1, its pure hue is 197.1° on the color wheel and its saturation is 70.6%, and its lightness is 60.0%. 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 9 different shades of #51b8e1, which — excluding black and our original color — range from #0a171c to #47a1c5.

Tints of #51b8e1

Tints are created by adding white or lightness to a particular color. For #51b8e1, its pure hue is 197.1° on the color wheel and its saturation is 70.6%, and its lightness is 60.0%. As the amount of white (lightness) is added to this hue, the result is increasingly lighter tints. The following palette gives 9 different tints of #51b8e1, which — excluding white and our original color — range from #67c1e5 to #e9f6fb.

Tones of #51b8e1

Tones are the result of adding gray to a pure hue. In the case of #51b8e1, its pure hue is 197.1° on the color wheel and its saturation is 70.6%, so we increase this saturation to create more colorful tones, and decrease the saturation to create grayer tones. The palette shown below gives 9 different tones of #51b8e1, which range from #999999 (the grayest / 0% saturation) to #33c5ff (the most colorful / 100% saturation).

Variations of #51b8e1

There are several ways to create color variations and premutations of #51b8e1! For #51b8e1, 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, #51b8e1. Click on these colors to learn more about them, too!

Color Coordinates of #51b8e1

This color, #51b8e1, consists of 31.8% Red, 72.2% Green, and 88.2% Blue, resulting in color coordinates Red = 81, Green = 184, Blue = 225. Likewise, the CMYK color space composition for #51b8e1 is 64% Cyan, 18.2% Magenta, 0% Yellow, and 11.8% Black. These values are shown in the following charts and tables.

R31.8%
C64.0%
G72.2%
M18.2%
B88.2%
Y0.0%
K11.8%
Color Base R (Red) G (Green) B (Blue)
Decimal 81 184 225
Octal 121 270 341
Hexa #51 #b8 #e1
Binary 01010001 10111000 11100001
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 64 18 0 11
Octal 100 22 0 13
Hexa #40 #12 #00 #0b
Binary 01000000 00010010 00000000 00001011

Analogous Colors of #51b8e1

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #51b8e1 — which has hue 197.1° — its analogous colors are located at 167.1° and 227.1° on the color wheel, with the same saturation and lightness as #51b8e1.

Triadic Colors of #51b8e1

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 #51b8e1 — which has hue 197.1° — its triadic colors are located at 77.1° and 317.1° on the color wheel, with the same saturation and lightness as #51b8e1.

Complementary Color of #51b8e1

A complementary color is located opposite a color on the color wheel (180 degrees away). For #51b8e1 — which has hue 197.1° — its complementary color is located at 17.1° on the color wheel, with the same saturation and lightness as #51b8e1.

Split Complementary Colors of #51b8e1

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 #51b8e1 — which has hue 197.1° — its split complementary colors its split complementary colors are located at 47.1° and 347.1° on the color wheel, with the same saturation and lightness as #51b8e1.

Tetradic Colors of #51b8e1

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 #51b8e1 — which has hue 197.1° — its tetradic colors are located at 107.1°, 197.1°, 287.1°, and 17.1° on the color wheel, with the same saturation and lightness as #51b8e1.

Monochromatic Colors of #51b8e1

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #51b8e1, we show 9 different monochromatic colors of it, ranging from #2d7f9f — (which has very low saturation and very low lightness) — to #a1dff8 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #51b8e1

We want to make getting started with #51b8e1 on your website fast and easy! Below are 8 examples of how to integrate #51b8e1 into a website using HTML+CSS. These examples include showing how #51b8e1 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 #51b8e1 with other HTML elements.

#51b8e1 Foreground / Text Color

The color of this text is #51b8e1.
<span style="color: #51b8e1;">The color of this text is #51b8e1.</span>

#51b8e1 Background Color

The background color for this text is #51b8e1.
<div style="background-color: #51b8e1; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #51b8e1.</div>

#51b8e1 Text Shadow Color

This color for the shadow of this text is #51b8e1.
<span style="text-shadow: 3px 3px 3px #51b8e1;">This color for the shadow of this text is #51b8e1.</span>

#51b8e1 Border Color

This is a div with border color #51b8e1.
<div style="border: #51b8e1 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #51b8e1.</div>

#51b8e1 Color Rectangle on a White Background

This is a rectangle of color #51b8e1 on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #51b8e1; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #51b8e1 on a white background.</div></div>

#51b8e1 Color Rectangle on a Black Background

This is a rectangle of color #51b8e1 on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #51b8e1; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #51b8e1 on a black background.</div></div>

Gradient from #51b8e1 to White

This is a gradient from #51b8e1 to white.
<div style="background: -webkit-linear-gradient(left,#51b8e1,white); /* Firefox */ background: linear-gradient(to right,#51b8e1,white); /* Safari */ background: -o-linear-gradient(left,#51b8e1,white); /* Opera */ background: -moz-linear-gradient(left,#51b8e1,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #51b8e1 to white.</div>

Gradient from #51b8e1 to Black

This is a gradient from #51b8e1 to black.
<div style="background: -webkit-linear-gradient(left,#51b8e1,black); /* Firefox */ background: linear-gradient(to right,#51b8e1,black); /* Safari */ background: -o-linear-gradient(left,#51b8e1,black); /* Opera */ background: -moz-linear-gradient(left,#51b8e1,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #51b8e1 to black.</div>

Coding & Programming with #51b8e1

In addition to using #51b8e1 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 #51b8e1 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #51b8e1, or the RGB color coordinates for the same (Red = 81, Green = 184, Blue = 225). If you need details about the color coordinates of #51b8e1 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 #51b8e1
HTML + CSS (RGB Code) Web rgb(81, 184, 225)
CSS Background Color Web .myclass { background-color: #51b8e1; }
CSS Foreground + Text Color Web .myclass { color: #51b8e1; }
CSS Border Color Web .myclass { border: 2px solid #51b8e1; }
Java (Multi-platform) new Color(81, 184, 225);
Python (Multi-platform) Color("#51b8e1")
Swift iOS UIColor(red:81, green:184, blue:225, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:81 green:184 blue:225 alpha:1.0000];
OpenGL (Graphics) glColor3f(81f, 184f, 225f);
C# / .NET Windows Color.FromArgb(81, 184, 225);
 

#51b8e1 Color Blindness

Not everyone can see #51b8e1 the same way. For those with color blindness, #51b8e1 might look very, very different. Here, we simulate eight examples of color blindness, and how #51b8e1 looks next to each one of them. In all cases, #51b8e1 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 #51b8e1 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 #51b8e1 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 #51b8e1 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 2.3:1 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