#ef811d Color Information

#ef811d 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 #ef811d. In RGB, it consists of 93.7% Red, 50.6% Green, and 11.4% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 46% Magenta, 87.9% Yellow, and 6.3% Black. On the color wheel, its Hue is found at 28.6°, with saturation of 86.8% and lightness of 52.5%. The decimal value for #ef811d is 15696157, and its nearest "web safe" color is #ff9933. In the RGB color space, the strongest component for #ef811d is red. In the CMYK color space, its strongest component is yellow. And in the RYB color space, its strongest component is red.
  • HexHex code for this color#ef811d Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color239, 129, 29 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color93.7%, 50.6%, 11.4% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.063, 0.494, 0.886 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0.46, 0.879, 0.063 Copy
  • HSLHue, Saturation, Lightness combination for this color28.6°, 86.8%, 52.5% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color28.6°, 87.9%, 93.7% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color43.669, 34.140, 5.450 Copy
  • RYBRed, Yellow, Blue composition for this color239, 220, 29 Copy
  • DecimalDecimal representation of this color's hex code15696157 Copy
  • CIE-LABCIELAB color space coordinates for this color65.073, 36.361, 66.073 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)65.073, 75.417, 61.175 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color65.073, 90.916, 58.133 Copy
  • Hunter LabHunter-Lab color space coordinates for this color58.429, 31.155, 35.370 Copy
  • xyYCIE xyY color space coordinates for this color0.524, 0.410, 34.140 Copy
  • AndroidValue of this color in Android development4293886237 / 0xffef811d Copy
  • Web SafeHex code of the nearest "web safe" version of this color#ff9933 Copy
Last Updated: July 5, 2025

Shades of #ef811d

Shades are created by adding black to or removing lightness from a particular color. For #ef811d, its pure hue is 28.6° on the color wheel and its saturation is 86.8%, and its lightness is 52.5%. 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 #ef811d, which — excluding black and our original color — range from #1e1004 to #d17119.

Tints of #ef811d

Tints are created by adding white or lightness to a particular color. For #ef811d, its pure hue is 28.6° on the color wheel and its saturation is 86.8%, and its lightness is 52.5%. 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 #ef811d, which — excluding white and our original color — range from #f19139 to #fdefe3.

Tones of #ef811d

Tones are the result of adding gray to a pure hue. In the case of #ef811d, its pure hue is 28.6° on the color wheel and its saturation is 86.8%, 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 #ef811d, which range from #868686 (the grayest / 0% saturation) to #ff800d (the most colorful / 100% saturation).

Variations of #ef811d

There are several ways to create color variations and premutations of #ef811d! For #ef811d, 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, #ef811d. Click on these colors to learn more about them, too!

Color Coordinates of #ef811d

This color, #ef811d, consists of 93.7% Red, 50.6% Green, and 11.4% Blue, resulting in color coordinates Red = 239, Green = 129, Blue = 29. Likewise, the CMYK color space composition for #ef811d is 0% Cyan, 46% Magenta, 87.9% Yellow, and 6.3% Black. These values are shown in the following charts and tables.

R93.7%
C0.0%
G50.6%
M46.0%
B11.4%
Y87.9%
K6.3%
Color Base R (Red) G (Green) B (Blue)
Decimal 239 129 29
Octal 357 201 35
Hexa #ef #81 #1d
Binary 11101111 10000001 00011101
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 46 87 6
Octal 0 56 127 6
Hexa #00 #2e #57 #06
Binary 00000000 00101110 01010111 00000110

Analogous Colors of #ef811d

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #ef811d — which has hue 28.6° — its analogous colors are located at 28.6° and 358.6° on the color wheel, with the same saturation and lightness as #ef811d.

Triadic Colors of #ef811d

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 #ef811d — which has hue 28.6° — its triadic colors are located at 28.6° and 268.6° on the color wheel, with the same saturation and lightness as #ef811d.

Complementary Color of #ef811d

A complementary color is located opposite a color on the color wheel (180 degrees away). For #ef811d — which has hue 28.6° — its complementary color is located at 208.6° on the color wheel, with the same saturation and lightness as #ef811d.

Split Complementary Colors of #ef811d

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 #ef811d — which has hue 28.6° — its split complementary colors its split complementary colors are located at 28.6° and 238.6° on the color wheel, with the same saturation and lightness as #ef811d.

Tetradic Colors of #ef811d

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 #ef811d — which has hue 28.6° — its tetradic colors are located at 298.6°, 28.6°, 118.6°, and 208.6° on the color wheel, with the same saturation and lightness as #ef811d.

Monochromatic Colors of #ef811d

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #ef811d, we show 9 different monochromatic colors of it, ranging from #84470f — (which has very low saturation and very low lightness) — to #fbc08a (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #ef811d

We want to make getting started with #ef811d on your website fast and easy! Below are 8 examples of how to integrate #ef811d into a website using HTML+CSS. These examples include showing how #ef811d 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 #ef811d with other HTML elements.

#ef811d Foreground / Text Color

The color of this text is #ef811d.
<span style="color: #ef811d;">The color of this text is #ef811d.</span>

#ef811d Background Color

The background color for this text is #ef811d.
<div style="background-color: #ef811d; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #ef811d.</div>

#ef811d Text Shadow Color

This color for the shadow of this text is #ef811d.
<span style="text-shadow: 3px 3px 3px #ef811d;">This color for the shadow of this text is #ef811d.</span>

#ef811d Border Color

This is a div with border color #ef811d.
<div style="border: #ef811d 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #ef811d.</div>

#ef811d Color Rectangle on a White Background

This is a rectangle of color #ef811d on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #ef811d; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #ef811d on a white background.</div></div>

#ef811d Color Rectangle on a Black Background

This is a rectangle of color #ef811d on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #ef811d; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #ef811d on a black background.</div></div>

Gradient from #ef811d to White

This is a gradient from #ef811d to white.
<div style="background: -webkit-linear-gradient(left,#ef811d,white); /* Firefox */ background: linear-gradient(to right,#ef811d,white); /* Safari */ background: -o-linear-gradient(left,#ef811d,white); /* Opera */ background: -moz-linear-gradient(left,#ef811d,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #ef811d to white.</div>

Gradient from #ef811d to Black

This is a gradient from #ef811d to black.
<div style="background: -webkit-linear-gradient(left,#ef811d,black); /* Firefox */ background: linear-gradient(to right,#ef811d,black); /* Safari */ background: -o-linear-gradient(left,#ef811d,black); /* Opera */ background: -moz-linear-gradient(left,#ef811d,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #ef811d to black.</div>

Coding & Programming with #ef811d

In addition to using #ef811d 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 #ef811d in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #ef811d, or the RGB color coordinates for the same (Red = 239, Green = 129, Blue = 29). If you need details about the color coordinates of #ef811d 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 #ef811d
HTML + CSS (RGB Code) Web rgb(239, 129, 29)
CSS Background Color Web .myclass { background-color: #ef811d; }
CSS Foreground + Text Color Web .myclass { color: #ef811d; }
CSS Border Color Web .myclass { border: 2px solid #ef811d; }
Java (Multi-platform) new Color(239, 129, 29);
Python (Multi-platform) Color("#ef811d")
Swift iOS UIColor(red:239, green:129, blue:29, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:239 green:129 blue:29 alpha:1.0000];
OpenGL (Graphics) glColor3f(239f, 129f, 29f);
C# / .NET Windows Color.FromArgb(239, 129, 29);
 

#ef811d Color Blindness

Not everyone can see #ef811d the same way. For those with color blindness, #ef811d might look very, very different. Here, we simulate eight examples of color blindness, and how #ef811d looks next to each one of them. In all cases, #ef811d 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 #ef811d 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 #ef811d 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 #ef811d 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 2.7:1 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