2020 Colors
A comprehensive guide to hex color #18a3ac

About hex color #18a3ac - near-Light sea green

Hex color #18a3ac may be mistaken for "Light sea green". It's described as "green". When people spot the color green in brand logos, the following may come to mind: positive health, personal growth, healing, energy, and gardening and outdoors. It's rarely tied to clothing. MailChimp, CrunchBase, and 4 others are using a color close to Light sea green in their branding. (Explore brands using Light sea green).

In RGB colorspace, the hexadecimal color #18a3ac is created using 9.4% red, 63.9% green, and 67.5% blue. In CMYK colorspace, you can make the color using 86.1% cyan, 5.2% magenta, 0% yellow, and 32.6% black.

RGB Composition
    R   G   B    
CMYK Composition
  C   M   Y   K  

#18a3ac is made up of R: 24, G: 163, B: 172 in RGB colorspace and C: 86.05, M:5.23, Y:0, K:32.55 in CMYK colorspace. Its decimal value is 1614764 and the closest web-safe color code to it is #009999. Its closest named color is "Light sea green". White should be used ontop of #18a3ac to ensure the best legibility.

Here's a color conversion chart. It contains technical information about the hex color #18a3ac. If you're a programmer, view the code snippets section for prepared language syntax.

hex #18a3ac
Websafe hex #009999
rgb 24, 163, 172
rgb percent (%) 9.38%, 63.67%, 67.19%
rgba R: 24, G: 163, B: 172, A: 1.0
CMYK C: 86.05, M:5.23, Y:0, K:32.55
hsv 183.65, 75.51, 38.43
hsb 183.65, 86.05, 67.45
luma 122.293
Black or white text? #ffffff
Adobe RGB 94, 162, 170
Closest named color Light sea green
Hunter-Lab 54.19, -23.4, -13.2
CIE-L*ab 61.1, -30.46, -14.47
CIE-L*Ch(ab) 61.1, 33.72, 205.41
CIE-L*uv 61.1, -44.91, -17.51°

Some colors work better together. Here, you'll find color harmonies and schemes specific to the hex color #18a3ac. These color palettes have been mathematically proven to pair well in designs.


The Complimentary color scheme is made up of two colors. These two colors are opposite one another in the color spectrum. The first color is called the "base" #18a3ac and the second color is called the "compliment" #ac1f17.

Design Tip: Complimentary colors do the job if you want an element to really stand out!


Split Complimentary

The Split Complimentary color scheme is made up of three colors. The base color #18a3ac is paired with the two colors to the left and the right of compliment color #ac1f17.

Design Tip: The two secondary colors make for great accent and highlight colors in your design.



The Triadic color scheme is made up of three colors. When viewed on a color wheel, all three colors are spaced evenly (120°) apart.

Design Tip: This color scheme tends to produce colors that are quite vibrant, regardless of saturation.



The Tetradic color scheme is made up of four colors. When viewed on a color wheel, all four colors are spaced evenly (90°) apart.

Design Tip: The Tetradic color scheme is a highly-aggressive color scheme as all four colors fight for dominance.



The Analagous color scheme is made up of three colors. The three colors sit next to one another on the color wheel. The palette is made in similar fashion to how the Split Complimentary palette is made. However, the two secondary colors are adjacent to the base, not the compliment.

Design Tip: Finding the right contrast may prove to be a challenge when working with Analagous colors.


When designing or marketing products, especially on a worldwide platform like Amazon, color is important. This section contains links to Amazon products that have some relation to one of the attributes of the color #18a3ac: "the environment".

Please note that 2020 Colours will receive commission for purchases made through the affiliate links above. This page's Amazon links are paid advertisements and are not endoresements or reviews of the product.

Seeing darker, lighter, and tinted variations of the hex color #18a3ac can help you with your creative processes. Remember, you can click on a color to be taken to its own page full of unique color information.

Darker shades

Darker shades are produced by blending #18a3ac with black #000000.


Lighter shades

Lighter shades are produced by blending #18a3ac with white #FFFFFF.



Tones are produced by blending #18a3ac with gray #808080.


A color gradient may also be known as color progression or a color ramp. A gradient is the gradual transition of one color into another. This section showcases gradients featuring #18a3ac as the base color. The secondary colors come from the Color Harmonies section above.

Below each gradient is the CSS color code that was used to create it. You can copy and paste it so it can be used in designs of your own.

For more information on how to apply gradients, visit the w3schools.com page on CSS gradients.

Seeing #18a3ac on a computer or phone screen is much different than how it may appear in the real world. Shown here are 20 different environment types and how #18a3ac could potentially look inside each of them, given perfect conditions. For example, #18a3ac appears as #54a09d when in northern sky daylight and as #4e9faa when in daylight fluorescent.

Old direct sunlight at noon
Old daylight
ICC profile PCS
Mid-morning daylight
Daylight, sRGB, Adobe-RGB
North sky daylight
Equal energy
Daylight Fluorescent
Cool fluorescent
White Fluorescent
Warm White Fluorescent
Daylight Fluorescent
Lite White Fluorescent
Daylight fluorescent, D65 simulator
Sylvania F40, D50 simulator
Cool White Fluorescent
Ultralume 50, Philips TL85
Ultralume 40, Philips TL84
Ultralume 30, Philips TL83
Data used in calculating these colors comes courtesy of Easy RGB.

Colors that have names have reached a point of status where they're more than just a hex code: they're real-world associated. View a list of all 1,500+ named colors.

Closest named colors to #18a3ac

#18a3ac might be precisely the color you're looking for. But, the colors below are a close match. What's better is that they're named colors, meaning chances are there's more information about them. If you feel like taking a slight deviation in hue, click a color below to learn about why it's so unique.

Light sea green
Tiffany Blue
Blue (Munsell)
Bondi blue
Pacific Blue
Christmas blue
Cyan cornflower blue

Furthest named colors to #18a3ac

Looking for something completely different? Try a well-documented complimentary color. The named colors below have been calculated to be the furthest colors from #18a3ac. Click on the colors to explore their unique information.

Candy apple red
Red strawberry
Electric red
Ferrari red
Neon scarlet
KU Crimson

Colors are important to brands and the messages they convey. Brand recognition and colors go hand-in-hand. Knowing what brands are using #18a3ac, or a color similar, can help you in determining whether the color is appropriate to your design.

Clemson University uses the color #109dc0


Salesforce uses the color #1798c1


Gravatar uses the color #1e8cbe


CrunchBase uses the color #2292a7


MailChimp uses the color #239ab9


UCSF uses the color #18a3ac

Brand data comes courtesy of Brand Colors. Brands linked may not be suitable for all ages and in no way affiliated with 2020 Colors.

Here you can easily copy-and-paste formatted color code for use with your favorite programming/markup languages like HTML/CSS, Java, Objective-C, and GameMaker Language.

HTML, CSS #18a3ac
Java new Color(24, 163, 172)
.NET Color.FromArgb(255, 24, 163, 172);
Objective-C [UIColor colorWithRed:0.0941 green:0.6392 blue:0.6745 alpha:1.00000];
OpenGL glColor3f(0.0941f, 0.6392f, 0.6745f);
Swift UIColor(red:0.0941, green:0.6392, blue:0.6745, alpha:1.00000)
GameMaker Language (GML) $ACA318
Python Color('#18a3ac')

This useful chart contains technical information about the hexadecimal color #18a3ac. For example, the direct decimal conversion is 1614764 while the individual RGB conversions are: 24, 163, 172.


If you're considering using #18a3ac in a logo or design, you can quickly reference below to see how various symbols, icons, and emblems look.

Icons courtesy of Font Awesome.

We learned earlier that White-colored text should be used on a #18a3ac colored background for best readability. But, you can be the judge of that by looking at the examples below.

This text is hex color #18a3ac on a solid black (#000000) background.

This text is hex color #18a3ac on a solid white (#ffffff) background.

This text is solid black (#000000) on a solid hex color #18a3ac background.

This text is solid white (#ffffff) on a solid hex color #18a3ac background.

This text is hex color #18a3ac on a striped black (#000000) and white (#ffffff) background.

This text is hex color #18a3ac on a striped gray (#808080) and white (#ffffff) background.

This text is solid black (#000000) on a striped hex color #18a3ac and white (#ffffff) background.

This text is solid white (#ffffff) on a striped hex color #18a3ac and white (#ffffff) background.

Patterns courtesy of Hero Patterns.

If you're a web developer, you might find it useful to see elements like buttons and check boxes in the color #18a3ac.


The HTML and CSS used to create these elements comes from w3schools.com.
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