Keppel

#3AB09E

Cyan Family →

What Color is Keppel

Keppel is a vibrant, saturated hue that sits precisely on the border of aquatic blue and revitalizing green. It possesses a unique luminosity that feels both restorative and distinctly modern, evoking tropical escapes and digital clarity.

What color is opposite Keppel?

The opposite color to Keppel is Stiletto (#b03b4c).

View Stiletto

Additional Information

  • Color Family: Cyan
  • Temperature: Cool
  • Associated Season: Autumn
  • Complementary Color: #B03B4C
  • Brightness: 139/255
  • Saturation: 67%

Colors That Pair Well With Keppel

Complementary

Pair with Stiletto for a harmonious, balanced look. Great for backgrounds and accents.

#3AB09E#b03b4c

High Contrast

Use Chestnut Rose for maximum readability. Ideal for text or critical UI elements.

#3AB09E#c54f61

Harmonious Depth

Use lighter and darker shades for a sophisticated, cohesive design. Great for backgrounds, text, and subtle accents.

#89d0c5#1d584f

Keppel History

Historically, hues like Keppel were difficult to capture permanently; ancient artisans relied on ground malachite or unstable copper derivatives to achieve similar blue-greens. The color finds its roots in the prized faience ceramics of Ancient Egypt, where turquoise tones represented rebirth and the sun's rising power.

The true stability of this shade arrived in the 20th century with the invention of Phthalocyanine dyes in the 1930s. This chemical breakthrough allowed for the mass production of intense, lightfast blue-greens without the toxicity of arsenic-based pigments used in the Victorian era, eventually leading to its popularity in mid-century plastics and modern digital palettes.

Meaning & Psychology

Psychologically, Keppel acts as a bridge between the calm of blue and the balance of green, promoting emotional healing and open communication. It is less passive than a sky blue but more relaxing than a lime green, creating a sense of energized serenity ideal for reducing anxiety.

In cultural applications, this shade is frequently associated with hygiene and cleanliness, often appearing in medical settings or spa branding. Because of its vibrancy, it also triggers feelings of creativity and fluidity, suggesting forward-thinking innovation rather than traditional conservatism.

In Nature

Keppel is vividly present in the shallow lagoons of tropical regions, where sunlight scatters through clear water over white sand. It is also found in the chemical oxidation of copper, known as verdigris or patina, and creates the iridescent flash seen in the plumage of the Belted Kingfisher.

How To Use Keppel

In digital design, Keppel is a high-visibility color excellent for primary buttons or highlights, but it lacks sufficient contrast for white text; use deep navy or black for legibility. It signals action without the aggressive urgency of red, making it perfect for 'success' states or financial growth indicators.

For interiors, use this color as a bold statement in bathrooms or accent walls rather than a whole-room wash, which can feel clinical. Pair it with warm wood tones or coral to offset its cool temperature and create a balanced, inviting atmosphere.

Related Words

malachitefaiencephthalocyaninepigmentshealingserenityhygienecreativitylagoonsverdigrisplumagehighlightslegibilitygrowthstatementinviting

Curated Palettes

#3AB09E
#FF6F61
#FDBE54
#FFFFFF
#2C3E50

Tropical Modernist

A vibrant, high-energy palette mixing warm and cool tones suitable for lifestyle branding.

#3AB09E
#E0F7FA
#FFFFFF
#B2DFDB
#004D40

Clinical Serenity

A clean, trustworthy palette focusing on health, wellness, and distinct clarity.

#3AB09E
#B87333
#5D4037
#D7CCC8
#263238

Oxidized Copper

An earthy, metallic palette inspired by raw materials and weathering processes.

Color Conversions

Hex
#3AB09E
RGB
58, 176, 158
RGB %
23%, 69%, 62%
HSL
171°, 50%, 46%
HSV
171°, 67%, 69%
CMYK
67%, 0%, 10%, 31%
LAB
65.29, -36.84, -0.35
XYZ
23.44, 34.42, 37.76

Color Blindness Simulation

Normal
Protanopia
Deuteranopia
Tritanopia

CSS Snippets

Text Color (Hex)
Aa
color: #3AB09E;
Text Color (RGB)
Aa
color: rgb(58, 176, 158);
Background Color
background-color: #3AB09E;
Border
border: 3px solid #3AB09E;
Box Shadow
box-shadow: 0 4px 12px #3AB09E66;
Gradient
background: linear-gradient(135deg, #3AB09E 0%, #ffffff 100%);
Cushion Mockup
Available to Order Now

Shop Premium Products in Keppel

This isn't just a mockup. We'll custom make high-quality home decor in this exact shade, just for you.

MaterialEco Velvet
Size30cm x 30cm
Color
Keppel

Ships in 3-5 daysSecure Checkout

Product Details

Add a touch of luxury to your home with our premium Eco Velvet cushions. Soft to the touch, these cushions are perfect for adding comfort and style to any room.

  • Material: Soft Eco Velvet.
  • Feel: Velvety soft finish.
  • Backing: Stone coloured back (or double-sided print).
  • Print: Edge-to-edge vibrant color using water-based inks.
  • Care: Machine washable at 30°C.
  • Construction: Handmade to order with a concealed zipper.
Eco Credentials

We believe in sustainable style. Our cushions are crafted with the planet in mind.

  • Made to Order: Produced only when you order, eliminating overproduction and waste.
  • Water-Based Inks: Printed using neo-pigment, water-based inks that are non-hazardous, toxin-free, and vegan-friendly.
  • Local Fulfilment: Produced locally where possible to reduce carbon emissions from transport.
  • Vegan Friendly: No animal products are used in the production of these cushions.

What Goes With Keppel?

Explore color palettes containing Keppel and discover harmonious combinations for your designs.

Accessibility

Contrast with Black and White

Contrast with Black

UI Examples

"Color is a power which directly influences the soul."

Contrast Ratio

0.00/ 21
Fail
AA Normal Text
Fail
AA Large Text
Fail
AAA Normal Text
Fail
AAA Large Text
Fail
Contrast with White

UI Examples

"Color is a power which directly influences the soul."

Contrast Ratio

0.00/ 21
Fail
AA Normal Text
Fail
AA Large Text
Fail
AAA Normal Text
Fail
AAA Large Text
Fail

Closest Color Matches

Best Match

Prismacolor

Jade Green

#PC1021#74BD9F

Buy

Caran d'ache Luminance 6901

Cobalt Green

#182#56AE86

Buy

Prismacolor

Parrot Green

#PC1006#00B092

Buy

Caran d'ache Luminance 6901

Light Malachite Green

#181#44C3BF

Buy

Polychromos

phthalo green

#161#00B091

Buy
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Frequently Asked Questions

What is the hex code for Keppel?
The hex code for Keppel is #3AB09E. The RGB values are (58, 176, 158). You can find more formats like CMYK and LAB in the Color Conversions section.
What colors go with Keppel?
Keppel pairs well with its complementary color, Stiletto (#b03b4c). It also works great with analogous colors (neighbors on the wheel) and triadic combinations. See our recommended pairings for more ideas.
Is Keppel accessible for text?
No, Keppel is not readable on white backgrounds. It is not readable on black backgrounds. For detailed contrast ratios and WCAG scores, check the accessibility section.
How do I use Keppel in CSS?

You can use Keppel in CSS with its hex code. Here is an example class:

.keppel {
  background-color: #3AB09E;
  color: #FFFFFF;
}

For more snippets including gradients, see the CSS snippets section.