Color Details and Palettes for #65EEBB

Details about the color Onsen

Closest web-safe match: #66FFCC

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 #65EEBB
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About Color Hex #65eebb

The color Onsen, with hexadecimal code #65eebb, is categorized under the cyan family—a cool, refreshing hue fundamental to CMYK printing. Cyan evokes clarity, focus, and digital innovation, appearing across tech interfaces and futuristic design systems. Additionally, it evokes emotions such as Refreshment, Clarity, Communication and Serenity. Cyan or blue-green is associated with healing, water, and tranquility. It can symbolize communication and clarity in various cultures. With a high saturation of 80%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. At 66% lightness, it strikes an approachable, open balance—bright enough to feel welcoming yet substantial enough to carry visual weight. This color is ideal for designs that aim to express Refreshment, Clarity, Communication, or Serenity. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Onsen are (101, 238, 187), providing a combination of red: 101, green: 238, and blue: 187. In HSL format, it has a hue of 158.00°, saturation of 80.00%, and lightness of 66.00%.

The HSV representation includes a hue of 158.00°, saturation of 58.00%, and value of 93.00%. Its CMYK composition is cyan: 58.00%, magenta: 0.00%, yellow: 21.00%, and black: 7.00%.

The calculated luminance of #65eebb is 0.675, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #66FFCC. Its contrast ratio is 14.50:1 against black and 1.45:1 against white. It works well on dark backgrounds but may be less readable on lighter ones.

In terms of color temperature, #65eebb reads as cool. When it comes to accessibility, testing against standard guidelines suggests that using black text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #65eebb is black.

Considering its saturation and lightness, #65eebb appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #65EEBB

Onsen (#65EEBB) belongs to the Teal color family.

As a bright tone with high saturation and generous lightness, it radiates energy and optimism. Bright variations like this perform well in summer campaigns, children's products, and attention-grabbing hero sections.

Historical Background

Teal—named after the Eurasian teal duck's distinctive head stripe—gained prominence as a design color in the 1990s. However, teal pigments trace back to ancient Egyptian faience, a ceramic technique that produced striking blue-green glazes for amulets and tiles. In contemporary culture, teal ribbons symbolize ovarian cancer awareness and anxiety-disorder advocacy.

Design & Usage Tips

Teal bridges the reliability of blue with the renewal of green, making it versatile across healthcare, education, and technology sectors. Pair teal with coral or warm peach for a modern complementary scheme, or with light gray for a clean, professional interface. Teal works well as both a primary and accent color.

Sitting on the cool side of the spectrum (hue 158°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 80% saturation, this is a highly vivid color that demands attention. Use it where maximum visual impact is needed—feature banners, accent buttons, and data-visualization highlights.

Psychological Impact

Teal evokes calm confidence, open communication, and clarity of thought. It feels more energetic than navy but more grounded than bright cyan. In branding, teal signals trustworthiness with a creative edge—bridging corporate reliability and startup innovation.

At 66% lightness, it reads clearly on dark backgrounds and provides a welcoming, open feel in light-themed designs—versatile across both contexts.

Creative Design Ideas

Use teal as a hero-section background color paired with white text and photography for a healthcare or wellness brand. Create duotone imagery (teal + coral) for vibrant social media graphics. In dashboards, teal chart lines stand out clearly against white backgrounds.

#65EEBB Color Conversions

Every way to write Onsen — copy Onsen as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#65EEBB

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(101, 238, 187)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(158, 80%, 66%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(158, 58%, 93%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(158 40% 7%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(58%, 0%, 21%, 7%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(85.98% 0.141 165.66)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(85.98% -0.136 0.035)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 85.76, a: -49.17, b: 13.62

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 85.76, C: 51.02, H: 164.52

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 44.91, Y: 67.50, Z: 57.68

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
6680251

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #65eebb

RGB Color Percentages for Onsen (HEX Code: #65eebb) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Green, making up 45.25% of the total composition. The complete breakdown of RGB contributions is:

Red:
19.2%
Green:
45.25%
Blue:
35.55%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Onsen.

CMYK Ink Levels & Print Guide for #65eebb

CMYK Ink Levels for Onsen (HEX Code: #65eebb) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Onsen prominently features Cyan, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 57.56%, Magenta: 0%, Yellow: 21.43%, and Black: 6.67%.

Luminance & Contrast for #65EEBB

Relative luminance gauges how bright Onsen is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.675
0 · dark1 · light
Aa
Black text 14.50:1
AA AAA Large
Aa
White text 1.45:1
AA AAA Large

Quick CSS Snippets for #65EEBB

Copy-and-paste CSS for Onsen — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #65EEBB;
Text color: #65EEBB;
Border border: 2px solid #65EEBB;
RGB background-color: rgb(101, 238, 187);
HSL background-color: hsl(158, 80%, 66%);
Variable --color: #65EEBB;

#65eebb Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#f0fdf8
#d9fbee
#c1f8e4
#aaf6da
#93f3cf
#7cf1c5
#65eebb Original
#56ca9f
#47a783
#388367
#285f4b
#193c2f
#0a1813

#65eebb Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#65eebb Original
#ee6396

#65eebb Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#65eebb Original
#63dbee
#63ee75
#6396ee
#96ee63
#7563ee
#dbee63

#65eebb Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#65eebb Original
#bb63ee
#eebb63

#65eebb Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#65eebb Original
#7563ee
#ee6396
#dbee63

Color Blindness Simulation for #65eebb

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Onsen (#65eebb) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Not Friendly

Protanopia (Red Weakness)

Not Friendly

Tritanopia (Blue-Yellow Weakness)

Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #65eebb

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#65EEBB Nearby Colors

A handful of colors just a step away from #65EEBB — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#77ffcc Aquamarine
#55ddaa Onsen
#88ffdd A State of Mint
#44cc99 Vegetation
#44eebb Onsen
#77eebb Jittery Jade
#44eecc Fake Jade
#77eeaa Mint Bliss

Colors Similar to #65eebb

These colors are close neighbours of #65EEBB in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Cyan tone.

#66eebb Onsen
#65efbb Onsen
#65eebc Onsen
#64eebb Onsen
#65edbb Onsen
#65eeba Onsen
#76eebb Jittery Jade
#65ffbb Mint Bliss
#65eecc Aphrodite Aqua
#54eebb Onsen
#65ddbb Aphrodite Aqua
#65eeaa Jittery Jade

Looking for more Cyan shades? Browse Cyan colors →

Explore Vibrant Images Featuring Onsen (#65eebb)

Discover a vibrant gallery of images that not only showcase the captivating hue of Onsen, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.