#21f5ef Color Information

#21f5ef 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 #21f5ef. In RGB, it consists of 12.9% Red, 96.1% Green, and 93.7% Blue. Likewise, in the CMYK color space, it consists of 86.5% Cyan, 0% Magenta, 2.4% Yellow, and 3.9% Black. On the color wheel, its Hue is found at 178.3°, with saturation of 91.4% and lightness of 54.5%. The decimal value for #21f5ef is 2225647, and its nearest "web safe" color is #33ffff. In the RGB color space, the strongest component for #21f5ef 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#21f5ef Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color33, 245, 239 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color12.9%, 96.1%, 93.7% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.871, 0.039, 0.063 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.865, 0, 0.024, 0.039 Copy
  • HSLHue, Saturation, Lightness combination for this color178.3°, 91.4%, 54.5% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color178.3°, 86.5%, 96.1% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color48.860, 71.860, 92.957 Copy
  • RYBRed, Yellow, Blue composition for this color33, 141, 245 Copy
  • DecimalDecimal representation of this color's hex code2225647 Copy
  • CIE-LABCIELAB color space coordinates for this color87.901, -47.315, -10.590 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)87.901, 48.486, 192.616 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color87.901, -67.192, -9.404 Copy
  • Hunter LabHunter-Lab color space coordinates for this color84.770, -45.465, -5.676 Copy
  • xyYCIE xyY color space coordinates for this color0.229, 0.336, 71.860 Copy
  • AndroidValue of this color in Android development4280415727 / 0xff21f5ef Copy
  • Web SafeHex code of the nearest "web safe" version of this color#33ffff Copy
Last Updated: December 4, 2024

Shades of #21f5ef

Shades are created by adding black to or removing lightness from a particular color. For #21f5ef, its pure hue is 178.3° on the color wheel and its saturation is 91.4%, and its lightness is 54.5%. 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 #21f5ef, which — excluding black and our original color — range from #041f1e to #1dd6d1.

Tints of #21f5ef

Tints are created by adding white or lightness to a particular color. For #21f5ef, its pure hue is 178.3° on the color wheel and its saturation is 91.4%, and its lightness is 54.5%. 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 #21f5ef, which — excluding white and our original color — range from #3df6f1 to #e3fefd.

Tones of #21f5ef

Tones are the result of adding gray to a pure hue. In the case of #21f5ef, its pure hue is 178.3° on the color wheel and its saturation is 91.4%, 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 #21f5ef, which range from #8b8b8b (the grayest / 0% saturation) to #17fff8 (the most colorful / 100% saturation).

Variations of #21f5ef

There are several ways to create color variations and premutations of #21f5ef! For #21f5ef, 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, #21f5ef. Click on these colors to learn more about them, too!

Color Coordinates of #21f5ef

This color, #21f5ef, consists of 12.9% Red, 96.1% Green, and 93.7% Blue, resulting in color coordinates Red = 33, Green = 245, Blue = 239. Likewise, the CMYK color space composition for #21f5ef is 86.5% Cyan, 0% Magenta, 2.4% Yellow, and 3.9% Black. These values are shown in the following charts and tables.

R12.9%
C86.5%
G96.1%
M0.0%
B93.7%
Y2.4%
K3.9%
Color Base R (Red) G (Green) B (Blue)
Decimal 33 245 239
Octal 41 365 357
Hexa #21 #f5 #ef
Binary 00100001 11110101 11101111
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 86 0 2 3
Octal 126 0 2 3
Hexa #56 #00 #02 #03
Binary 01010110 00000000 00000010 00000011

Analogous Colors of #21f5ef

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #21f5ef — which has hue 178.3° — its analogous colors are located at 148.3° and 208.3° on the color wheel, with the same saturation and lightness as #21f5ef.

Triadic Colors of #21f5ef

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 #21f5ef — which has hue 178.3° — its triadic colors are located at 58.3° and 298.3° on the color wheel, with the same saturation and lightness as #21f5ef.

Complementary Color of #21f5ef

A complementary color is located opposite a color on the color wheel (180 degrees away). For #21f5ef — which has hue 178.3° — its complementary color is located at 358.3° on the color wheel, with the same saturation and lightness as #21f5ef.

Split Complementary Colors of #21f5ef

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 #21f5ef — which has hue 178.3° — its split complementary colors its split complementary colors are located at 28.3° and 328.3° on the color wheel, with the same saturation and lightness as #21f5ef.

Tetradic Colors of #21f5ef

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 #21f5ef — which has hue 178.3° — its tetradic colors are located at 88.3°, 178.3°, 268.3°, and 358.3° on the color wheel, with the same saturation and lightness as #21f5ef.

Monochromatic Colors of #21f5ef

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #21f5ef, we show 9 different monochromatic colors of it, ranging from #0a9894 — (which has very low saturation and very low lightness) — to #8efdf9 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #21f5ef

We want to make getting started with #21f5ef on your website fast and easy! Below are 8 examples of how to integrate #21f5ef into a website using HTML+CSS. These examples include showing how #21f5ef 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 #21f5ef with other HTML elements.

#21f5ef Foreground / Text Color

The color of this text is #21f5ef.
<span style="color: #21f5ef;">The color of this text is #21f5ef.</span>

#21f5ef Background Color

The background color for this text is #21f5ef.
<div style="background-color: #21f5ef; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #21f5ef.</div>

#21f5ef Text Shadow Color

This color for the shadow of this text is #21f5ef.
<span style="text-shadow: 3px 3px 3px #21f5ef;">This color for the shadow of this text is #21f5ef.</span>

#21f5ef Border Color

This is a div with border color #21f5ef.
<div style="border: #21f5ef 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #21f5ef.</div>

#21f5ef Color Rectangle on a White Background

This is a rectangle of color #21f5ef on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #21f5ef; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #21f5ef on a white background.</div></div>

#21f5ef Color Rectangle on a Black Background

This is a rectangle of color #21f5ef on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #21f5ef; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #21f5ef on a black background.</div></div>

Gradient from #21f5ef to White

This is a gradient from #21f5ef to white.
<div style="background: -webkit-linear-gradient(left,#21f5ef,white); /* Firefox */ background: linear-gradient(to right,#21f5ef,white); /* Safari */ background: -o-linear-gradient(left,#21f5ef,white); /* Opera */ background: -moz-linear-gradient(left,#21f5ef,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #21f5ef to white.</div>

Gradient from #21f5ef to Black

This is a gradient from #21f5ef to black.
<div style="background: -webkit-linear-gradient(left,#21f5ef,black); /* Firefox */ background: linear-gradient(to right,#21f5ef,black); /* Safari */ background: -o-linear-gradient(left,#21f5ef,black); /* Opera */ background: -moz-linear-gradient(left,#21f5ef,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #21f5ef to black.</div>

Coding & Programming with #21f5ef

In addition to using #21f5ef 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 #21f5ef in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #21f5ef, or the RGB color coordinates for the same (Red = 33, Green = 245, Blue = 239). If you need details about the color coordinates of #21f5ef 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 #21f5ef
HTML + CSS (RGB Code) Web rgb(33, 245, 239)
CSS Background Color Web .myclass { background-color: #21f5ef; }
CSS Foreground + Text Color Web .myclass { color: #21f5ef; }
CSS Border Color Web .myclass { border: 2px solid #21f5ef; }
Java (Multi-platform) new Color(33, 245, 239);
Python (Multi-platform) Color("#21f5ef")
Swift iOS UIColor(red:33, green:245, blue:239, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:33 green:245 blue:239 alpha:1.0000];
OpenGL (Graphics) glColor3f(33f, 245f, 239f);
C# / .NET Windows Color.FromArgb(33, 245, 239);
 

#21f5ef Color Blindness

Not everyone can see #21f5ef the same way. For those with color blindness, #21f5ef might look very, very different. Here, we simulate eight examples of color blindness, and how #21f5ef looks next to each one of them. In all cases, #21f5ef 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 #21f5ef 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 #21f5ef 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 #21f5ef 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 1.4:1 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