#18ddbb Color Information

#18ddbb 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 #18ddbb. In RGB, it consists of 9.4% Red, 86.7% Green, and 73.3% Blue. Likewise, in the CMYK color space, it consists of 89.1% Cyan, 0% Magenta, 15.4% Yellow, and 13.3% Black. On the color wheel, its Hue is found at 169.6°, with saturation of 80.4% and lightness of 48%. The decimal value for #18ddbb is 1629627, and its nearest "web safe" color is #00cccc. In the RGB color space, the strongest component for #18ddbb is green. 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#18ddbb Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color24, 221, 187 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color9.4%, 86.7%, 73.3% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.906, 0.133, 0.267 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.891, 0, 0.154, 0.133 Copy
  • HSLHue, Saturation, Lightness combination for this color169.6°, 80.4%, 48.0% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color169.6°, 89.1%, 86.7% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color35.203, 55.495, 55.870 Copy
  • RYBRed, Yellow, Blue composition for this color24, 132, 221 Copy
  • DecimalDecimal representation of this color's hex code1629627 Copy
  • CIE-LABCIELAB color space coordinates for this color79.325, -51.813, 4.238 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)79.325, 51.986, 175.324 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color79.325, -63.752, 14.559 Copy
  • Hunter LabHunter-Lab color space coordinates for this color74.495, -46.015, 7.680 Copy
  • xyYCIE xyY color space coordinates for this color0.240, 0.379, 55.495 Copy
  • AndroidValue of this color in Android development4279819707 / 0xff18ddbb Copy
  • Web SafeHex code of the nearest "web safe" version of this color#00cccc Copy
Last Updated: June 23, 2025

Shades of #18ddbb

Shades are created by adding black to or removing lightness from a particular color. For #18ddbb, its pure hue is 169.6° on the color wheel and its saturation is 80.4%, and its lightness is 48.0%. 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 #18ddbb, which — excluding black and our original color — range from #031c17 to #15c1a4.

Tints of #18ddbb

Tints are created by adding white or lightness to a particular color. For #18ddbb, its pure hue is 169.6° on the color wheel and its saturation is 80.4%, and its lightness is 48.0%. 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 #18ddbb, which — excluding white and our original color — range from #35e1c4 to #e2fbf7.

Tones of #18ddbb

Tones are the result of adding gray to a pure hue. In the case of #18ddbb, its pure hue is 169.6° on the color wheel and its saturation is 80.4%, 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 #18ddbb, which range from #7b7b7b (the grayest / 0% saturation) to #00f5cb (the most colorful / 100% saturation).

Variations of #18ddbb

There are several ways to create color variations and premutations of #18ddbb! For #18ddbb, 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, #18ddbb. Click on these colors to learn more about them, too!

Color Coordinates of #18ddbb

This color, #18ddbb, consists of 9.4% Red, 86.7% Green, and 73.3% Blue, resulting in color coordinates Red = 24, Green = 221, Blue = 187. Likewise, the CMYK color space composition for #18ddbb is 89.1% Cyan, 0% Magenta, 15.4% Yellow, and 13.3% Black. These values are shown in the following charts and tables.

R9.4%
C89.1%
G86.7%
M0.0%
B73.3%
Y15.4%
K13.3%
Color Base R (Red) G (Green) B (Blue)
Decimal 24 221 187
Octal 30 335 273
Hexa #18 #dd #bb
Binary 00011000 11011101 10111011
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 89 0 15 13
Octal 131 0 17 15
Hexa #59 #00 #0f #0d
Binary 01011001 00000000 00001111 00001101

Analogous Colors of #18ddbb

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #18ddbb — which has hue 169.6° — its analogous colors are located at 139.6° and 199.6° on the color wheel, with the same saturation and lightness as #18ddbb.

Triadic Colors of #18ddbb

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 #18ddbb — which has hue 169.6° — its triadic colors are located at 49.6° and 289.6° on the color wheel, with the same saturation and lightness as #18ddbb.

Complementary Color of #18ddbb

A complementary color is located opposite a color on the color wheel (180 degrees away). For #18ddbb — which has hue 169.6° — its complementary color is located at 349.6° on the color wheel, with the same saturation and lightness as #18ddbb.

Split Complementary Colors of #18ddbb

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 #18ddbb — which has hue 169.6° — its split complementary colors its split complementary colors are located at 19.6° and 319.6° on the color wheel, with the same saturation and lightness as #18ddbb.

Tetradic Colors of #18ddbb

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 #18ddbb — which has hue 169.6° — its tetradic colors are located at 79.6°, 169.6°, 259.6°, and 349.6° on the color wheel, with the same saturation and lightness as #18ddbb.

Monochromatic Colors of #18ddbb

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #18ddbb, we show 9 different monochromatic colors of it, ranging from #12695a — (which has very low saturation and very low lightness) — to #77f8e2 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #18ddbb

We want to make getting started with #18ddbb on your website fast and easy! Below are 8 examples of how to integrate #18ddbb into a website using HTML+CSS. These examples include showing how #18ddbb 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 #18ddbb with other HTML elements.

#18ddbb Foreground / Text Color

The color of this text is #18ddbb.
<span style="color: #18ddbb;">The color of this text is #18ddbb.</span>

#18ddbb Background Color

The background color for this text is #18ddbb.
<div style="background-color: #18ddbb; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #18ddbb.</div>

#18ddbb Text Shadow Color

This color for the shadow of this text is #18ddbb.
<span style="text-shadow: 3px 3px 3px #18ddbb;">This color for the shadow of this text is #18ddbb.</span>

#18ddbb Border Color

This is a div with border color #18ddbb.
<div style="border: #18ddbb 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #18ddbb.</div>

#18ddbb Color Rectangle on a White Background

This is a rectangle of color #18ddbb on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #18ddbb; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #18ddbb on a white background.</div></div>

#18ddbb Color Rectangle on a Black Background

This is a rectangle of color #18ddbb on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #18ddbb; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #18ddbb on a black background.</div></div>

Gradient from #18ddbb to White

This is a gradient from #18ddbb to white.
<div style="background: -webkit-linear-gradient(left,#18ddbb,white); /* Firefox */ background: linear-gradient(to right,#18ddbb,white); /* Safari */ background: -o-linear-gradient(left,#18ddbb,white); /* Opera */ background: -moz-linear-gradient(left,#18ddbb,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #18ddbb to white.</div>

Gradient from #18ddbb to Black

This is a gradient from #18ddbb to black.
<div style="background: -webkit-linear-gradient(left,#18ddbb,black); /* Firefox */ background: linear-gradient(to right,#18ddbb,black); /* Safari */ background: -o-linear-gradient(left,#18ddbb,black); /* Opera */ background: -moz-linear-gradient(left,#18ddbb,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #18ddbb to black.</div>

Coding & Programming with #18ddbb

In addition to using #18ddbb 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 #18ddbb in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #18ddbb, or the RGB color coordinates for the same (Red = 24, Green = 221, Blue = 187). If you need details about the color coordinates of #18ddbb 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 #18ddbb
HTML + CSS (RGB Code) Web rgb(24, 221, 187)
CSS Background Color Web .myclass { background-color: #18ddbb; }
CSS Foreground + Text Color Web .myclass { color: #18ddbb; }
CSS Border Color Web .myclass { border: 2px solid #18ddbb; }
Java (Multi-platform) new Color(24, 221, 187);
Python (Multi-platform) Color("#18ddbb")
Swift iOS UIColor(red:24, green:221, blue:187, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:24 green:221 blue:187 alpha:1.0000];
OpenGL (Graphics) glColor3f(24f, 221f, 187f);
C# / .NET Windows Color.FromArgb(24, 221, 187);
 

#18ddbb Color Blindness

Not everyone can see #18ddbb the same way. For those with color blindness, #18ddbb might look very, very different. Here, we simulate eight examples of color blindness, and how #18ddbb looks next to each one of them. In all cases, #18ddbb 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 #18ddbb 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 #18ddbb 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 #18ddbb 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