Closest web-safe match: #33CC66

Color Details and Palettes for #37E17B

Details about the color Shivering Green#37E17B

Conversions, palettes, contrast & design ideas for this color.

Emerald family Cool WCAG ink: dark
HEX #37E17B RGB rgb(55, 225, 123) HSL hsl(144, 74%, 55%) CMYK cmyk(76%, 0%, 45%, 12%)

Color profile

About Color Hex #37E17B

#37E17B is a cool color from the Emerald family, closest in name to “Shivering Green”. In RGB it is rgb(55, 225, 123); in HSL, hsl(144, 74%, 55%).

The color Shivering Green, with hexadecimal code #37e17b, resides within the green color family, the hue most connected to nature, growth, and renewal. Green soothes the eye more than any other color, making it ideal for wellness, sustainability, and financial brands. Additionally, it evokes emotions such as Refreshment, Clarity, Communication and Serenity. Green is often linked to nature and growth universally, and in some cultures, it symbolizes fertility, renewal, and even immortality. In Islam, green holds significant religious meaning. At 74% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 55%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. 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.

Key facts

RGB 55, 225, 123 red · green · blue HSL 144° 74% 55% hue · sat · light HSV 144° 76% 88% design-app pickers CMYK 76 0 45 12 print inks, % Luminance 0.561 0 dark → 1 light On black 12.22:1 ✓ AA contrast ratio On white 1.72:1 ✕ AA contrast ratio Web-safe #33CC66 closest web-safe Best text black ideal foreground Character Vivid cool · emerald family

The story of this color

History, Usage, Psychology & Design Ideas for #37E17B

Shivering Green (#37E17B) belongs to the Emerald color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

Historical Background

Emerald green takes its name from the precious gemstone revered since at least 330 BC, when Cleopatra's emerald mines supplied the ancient world. Pantone named Emerald its Color of the Year for 2013, citing its associations with sophistication and renewal. Art Nouveau designers like Alphonse Mucha used emerald tones extensively, pairing them with gold to create their signature opulent aesthetic.

Design & Usage Tips

Emerald green conveys upscale elegance and is ideal for luxury brands, jewelry companies, and high-end hospitality. It pairs naturally with gold, brass, and cream for a rich, timeless palette. In web design, emerald buttons on a white background combine trust (green) with premium appeal.

Sitting on the cool side of the spectrum (hue 144°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 74% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Emerald feels aspirational and abundant—it suggests growth coupled with achievement. Unlike casual greens, emerald carries an air of refinement that makes it suitable for formal invitations, gala events, and exclusive product lines.

With a mid-range lightness of 55%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Use emerald as a dark background for product photography, allowing gold or white products to shine. Combine emerald tiles with marble textures for luxury real-estate branding. In fashion e-commerce, emerald category headers signal the premium collection.

Every format

#37E17B Color Conversions

Every way to write Shivering Green — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#37E17B

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(55, 225, 123)

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(144, 74%, 55%)

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(144, 76%, 88%)

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(144 22% 12%)

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(76%, 0%, 45%, 12%)

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(80.30% 0.196 151.66)

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

OKLab Modern
oklab(80.30% -0.173 0.093)

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: 79.67, a: -64.25, b: 37.95

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

LCH Perceptual
L: 79.67, C: 74.62, H: 149.43

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

XYZ CIE Science
X: 32.08, Y: 56.09, Z: 27.88

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
3662203

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

Channel breakdown

RGB Color Percentages for #37E17B

How much red, green and blue light mixes into Shivering Green.

Red 55/255 13.7% Green 225/255 55.8% Blue 123/255 30.5%

Percentages show each channel's share of the total light (R + G + B) in Shivering Green.

Ink coverage

CMYK Ink Levels & Print Guide for #37E17B

Ink needed to reproduce Shivering Green in four-color print. Heaviest ink: Cyan.

76% CYAN 0% MAGENTA 45% YELLOW 12% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #37E17B

How bright Shivering Green is, and how far black and white text clear each WCAG bar.

Relative luminance 0.561
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 12.22:1 ✓ AA ✓ AAA ✓ Large
Aa White text 1.72:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #37E17B

Copy-and-paste CSS for Shivering Green — per-line copy, or grab the whole block.

shivering-green.css
background-color: #37E17B;
color: #37E17B;
border: 2px solid #37E17B;
background-color: rgb(55, 225, 123);
background-color: hsl(144, 74%, 55%);
--color: #37E17B;

Shades · light to dark

#37E17B Monochrome Palette

Lighter and darker steps of Shivering Green — the color's full brightness range in one strip.

#EBFCF2
#CDF8DE
#AFF3CA
#91EFB6
#73EAA3
#55E68F
#37E17B
#2FBF69
#279E56
#1E7C44
#165A31
#0E381F
#06170C

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#37E17B Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#37E17B
#E1379D

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#37E17B Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#37E17B
#37E1D0
#48E137
#379DE1
#9DE137
#3748E1
#E1D037

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#37E17B Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#37E17B
#7B37E1
#E17B37

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#37E17B Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#37E17B
#3748E1
#E1379D
#E1D037

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #37E17B

How Shivering Green reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#37E17B
#776A9A
#818294
#40A7AB
#B5B5B5
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not friendly Tritanopia blue-yellow weakness ✕ Not friendly Achromatopsia total color blindness ✕ Not friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #37E17B

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#E1379D
#37E1D0
#7B37E1
#3748E1
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#37E17B Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Grotesque Green#55EE88
Alienated#11CC66
Illicit Green#66FF99
Intoxicate#00BB55
Shivering Green#00DD77
Shivering Green#55DD88
Envy’s Love#00DD99
Koopa Green Shell#66DD66

From the color-name library

Colors Similar to #37E17B

The closest named colors to #37E17B — same mood, each with its own character.

Shivering Green#24DD7E
Limonana#11DD66
Hello Spring#44DD66
Grotesque Green#64E986
Emerald Ice Palace#2AF589
Seaweed#18D17B
Green Priestess#11DD55
Pastel Green#77DD77
Envy’s Love#2DD78D
Koopa Green Shell#58D854
Battletoad#11CC55
Alienated#00CC55

Looking for more Green shades? Browse Green colors →

Inspiration

Explore Vibrant Images Featuring Shivering Green (#37e17b)

Curated Unsplash photos that carry the mood of Shivering Green — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #37E17B

#37E17B is a cool color from the Emerald family. Its closest matched name is “Shivering Green”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(55, 225, 123); in HSL, hsl(144, 74%, 55%).
In RGB, #37E17B is rgb(55, 225, 123); in HSL it is hsl(144, 74%, 55%); and in CMYK — the model used for print — it is cmyk(76%, 0%, 45%, 12%).
#37E17B has a contrast ratio of 12.22:1 against black and 1.72:1 against white. For readability, black body text meets the WCAG AA threshold of 4.5:1 on it, while white does not.
The direct complement of #37E17B is #E1379D (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #37E17B in the palette sections above.