#a90004 Color Information

#a90004 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 #a90004. In RGB, it consists of 66.3% Red, 0.0% Green, and 1.6% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 100% Magenta, 97.6% Yellow, and 33.7% Black. On the color wheel, its Hue is found at 358.6°, with saturation of 100% and lightness of 33.1%. The decimal value for #a90004 is 11075588, and its nearest "web safe" color is #990000. In the RGB color space, the strongest component for #a90004 is red. In the CMYK color space, its strongest component is magenta. And in the RYB color space, its strongest component is red.
  • HexHex code for this color#a90004 Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color169, 0, 4 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color66.3%, 0.0%, 1.6% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.337, 1.000, 0.984 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 1, 0.976, 0.337 Copy
  • HSLHue, Saturation, Lightness combination for this color358.6°, 100.0%, 33.1% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color358.6°, 100.0%, 66.3% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color16.384, 8.444, 0.881 Copy
  • RYBRed, Yellow, Blue composition for this color169, 0, 4 Copy
  • DecimalDecimal representation of this color's hex code11075588 Copy
  • CIE-LABCIELAB color space coordinates for this color34.891, 58.913, 47.553 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)34.891, 75.710, 38.910 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color34.891, 114.307, 24.175 Copy
  • Hunter LabHunter-Lab color space coordinates for this color29.058, 49.793, 18.543 Copy
  • xyYCIE xyY color space coordinates for this color0.637, 0.328, 8.444 Copy
  • AndroidValue of this color in Android development4289265668 / 0xffa90004 Copy
  • Web SafeHex code of the nearest "web safe" version of this color#990000 Copy
Last Updated: March 28, 2024

Shades of #a90004

Shades are created by adding black to or removing lightness from a particular color. For #a90004, its pure hue is 358.6° on the color wheel and its saturation is 100.0%, and its lightness is 33.1%. 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 #a90004, which — excluding black and our original color — range from #150001 to #940004.

Tints of #a90004

Tints are created by adding white or lightness to a particular color. For #a90004, its pure hue is 358.6° on the color wheel and its saturation is 100.0%, and its lightness is 33.1%. 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 #a90004, which — excluding white and our original color — range from #b42023 to #f4dfe0.

Tones of #a90004

Tones are the result of adding gray to a pure hue. In the case of #a90004, its pure hue is 358.6° on the color wheel and its saturation is 100.0%, 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 #a90004, which range from #555555 (the grayest / 0% saturation) to #a90004 (the most colorful / 100% saturation).

Variations of #a90004

There are several ways to create color variations and premutations of #a90004! For #a90004, 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, #a90004. Click on these colors to learn more about them, too!

Color Coordinates of #a90004

This color, #a90004, consists of 66.3% Red, 0.0% Green, and 1.6% Blue, resulting in color coordinates Red = 169, Green = 0, Blue = 4. Likewise, the CMYK color space composition for #a90004 is 0% Cyan, 100% Magenta, 97.6% Yellow, and 33.7% Black. These values are shown in the following charts and tables.

R66.3%
C0.0%
G0.0%
M100.0%
B1.6%
Y97.6%
K33.7%
Color Base R (Red) G (Green) B (Blue)
Decimal 169 0 4
Octal 251 0 4
Hexa #a9 #00 #04
Binary 10101001 00000000 00000100
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 100 97 33
Octal 0 144 141 41
Hexa #00 #64 #61 #21
Binary 00000000 01100100 01100001 00100001

Analogous Colors of #a90004

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #a90004 — which has hue 358.6° — its analogous colors are located at 28.6° and 358.6° on the color wheel, with the same saturation and lightness as #a90004.

Triadic Colors of #a90004

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 #a90004 — which has hue 358.6° — its triadic colors are located at 118.6° and 358.6° on the color wheel, with the same saturation and lightness as #a90004.

Complementary Color of #a90004

A complementary color is located opposite a color on the color wheel (180 degrees away). For #a90004 — which has hue 358.6° — its complementary color is located at 178.6° on the color wheel, with the same saturation and lightness as #a90004.

Split Complementary Colors of #a90004

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 #a90004 — which has hue 358.6° — its split complementary colors its split complementary colors are located at 148.6° and 358.6° on the color wheel, with the same saturation and lightness as #a90004.

Tetradic Colors of #a90004

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 #a90004 — which has hue 358.6° — its tetradic colors are located at 268.6°, 358.6°, 88.6°, and 178.6° on the color wheel, with the same saturation and lightness as #a90004.

Monochromatic Colors of #a90004

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #a90004, we show 9 different monochromatic colors of it, ranging from #550002 — (which has very low saturation and very low lightness) — to #fe0006 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #a90004

We want to make getting started with #a90004 on your website fast and easy! Below are 8 examples of how to integrate #a90004 into a website using HTML+CSS. These examples include showing how #a90004 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 #a90004 with other HTML elements.

#a90004 Foreground / Text Color

The color of this text is #a90004.
<span style="color: #a90004;">The color of this text is #a90004.</span>

#a90004 Background Color

The background color for this text is #a90004.
<div style="background-color: #a90004; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #a90004.</div>

#a90004 Text Shadow Color

This color for the shadow of this text is #a90004.
<span style="text-shadow: 3px 3px 3px #a90004;">This color for the shadow of this text is #a90004.</span>

#a90004 Border Color

This is a div with border color #a90004.
<div style="border: #a90004 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #a90004.</div>

#a90004 Color Rectangle on a White Background

This is a rectangle of color #a90004 on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #a90004; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #a90004 on a white background.</div></div>

#a90004 Color Rectangle on a Black Background

This is a rectangle of color #a90004 on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #a90004; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #a90004 on a black background.</div></div>

Gradient from #a90004 to White

This is a gradient from #a90004 to white.
<div style="background: -webkit-linear-gradient(left,#a90004,white); /* Firefox */ background: linear-gradient(to right,#a90004,white); /* Safari */ background: -o-linear-gradient(left,#a90004,white); /* Opera */ background: -moz-linear-gradient(left,#a90004,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #a90004 to white.</div>

Gradient from #a90004 to Black

This is a gradient from #a90004 to black.
<div style="background: -webkit-linear-gradient(left,#a90004,black); /* Firefox */ background: linear-gradient(to right,#a90004,black); /* Safari */ background: -o-linear-gradient(left,#a90004,black); /* Opera */ background: -moz-linear-gradient(left,#a90004,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #a90004 to black.</div>

Coding & Programming with #a90004

In addition to using #a90004 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 #a90004 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #a90004, or the RGB color coordinates for the same (Red = 169, Green = 0, Blue = 4). If you need details about the color coordinates of #a90004 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 #a90004
HTML + CSS (RGB Code) Web rgb(169, 0, 4)
CSS Background Color Web .myclass { background-color: #a90004; }
CSS Foreground + Text Color Web .myclass { color: #a90004; }
CSS Border Color Web .myclass { border: 2px solid #a90004; }
Java (Multi-platform) new Color(169, 0, 4);
Python (Multi-platform) Color("#a90004")
Swift iOS UIColor(red:169, green:0, blue:4, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:169 green:0 blue:4 alpha:1.0000];
OpenGL (Graphics) glColor3f(169f, 0f, 4f);
C# / .NET Windows Color.FromArgb(169, 0, 4);
 

#a90004 Color Blindness

Not everyone can see #a90004 the same way. For those with color blindness, #a90004 might look very, very different. Here, we simulate eight examples of color blindness, and how #a90004 looks next to each one of them. In all cases, #a90004 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 #a90004 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 #a90004 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

Accessibility Recommended

We analyzed whether #a90004 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 7.8:1 against white. This is a high enough ratio to be considered accessible under both the AA and AAA level standards 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