Closest web-safe match: #99CC33

Color Details and Palettes for #8EC421

Details about the color Jewel Beetle#8EC421

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

Lime family Cool WCAG ink: dark
HEX #8EC421 RGB rgb(142, 196, 33) HSL hsl(80, 71%, 45%) CMYK cmyk(28%, 0%, 83%, 23%)

Color profile

About Color Hex #8EC421

#8EC421 is a cool color from the Lime family, closest in name to “Jewel Beetle”. In RGB it is rgb(142, 196, 33); in HSL, hsl(80, 71%, 45%).

The color Jewel Beetle, with hexadecimal code #8ec421, 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 Freshness, Harmony, Growth, Youthfulness and Renewal. 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 71% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 45%, 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 Freshness, Harmony, Growth, Youthfulness, or Renewal. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 142, 196, 33 red · green · blue HSL 80° 71% 45% hue · sat · light HSV 80° 83% 77% design-app pickers CMYK 28 0 83 23 print inks, % Luminance 0.453 0 dark → 1 light On black 10.07:1 ✓ AA contrast ratio On white 2.09:1 ✕ AA contrast ratio Web-safe #99CC33 closest web-safe Best text black ideal foreground Character Vivid cool · lime family

The story of this color

History, Usage, Psychology & Design Ideas for #8EC421

Jewel Beetle (#8EC421) belongs to the Lime 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

Lime green emerged as a popular color in the mid-20th century, fueled by psychedelic art and pop culture. The color takes its name from the citrus fruit, and its bright, acidic quality made it a staple of 1960s mod fashion and 1990s rave culture. In nature, lime green appears in new spring foliage, signaling the first stages of growth after winter dormancy.

Design & Usage Tips

Lime green projects youthful energy and works well for sports, fitness, and tech brands targeting younger demographics. It pairs effectively with dark purple or navy for bold complementary schemes, or with white for a fresh, clean look. Use lime sparingly as an accent—it can overwhelm when used as a dominant color.

Sitting on the cool side of the spectrum (hue 80°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 71% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Lime stimulates vitality, freshness, and excitement. It sits at the boundary of yellow's optimism and green's natural calm, creating a unique sense of dynamic growth. Lime is particularly effective in contexts where energy and eco-consciousness intersect.

With a mid-range lightness of 45%, 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 lime as a highlight color for progress bars, success states, and achievement badges in gamified interfaces. Combine lime with matte black for an electric, high-tech brand identity. In packaging, lime accents on white suggest organic freshness—ideal for health drinks and snack brands.

Every format

#8EC421 Color Conversions

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

12 formats
HEX Web
#8EC421

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(142, 196, 33)

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(80, 71%, 45%)

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(80, 83%, 77%)

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(80 13% 23%)

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(28%, 0%, 83%, 23%)

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(75.50% 0.187 127.50)

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

OKLab Modern
oklab(75.50% -0.114 0.148)

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: 73.12, a: -39.32, b: 68.01

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

LCH Perceptual
L: 73.12, C: 78.56, H: 120.03

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

XYZ CIE Science
X: 31.17, Y: 45.34, Z: 8.55

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
9356321

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 #8EC421

How much red, green and blue light mixes into Jewel Beetle.

Red 142/255 38.3% Green 196/255 52.8% Blue 33/255 8.9%

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

Ink coverage

CMYK Ink Levels & Print Guide for #8EC421

Ink needed to reproduce Jewel Beetle in four-color print. Heaviest ink: Yellow.

28% CYAN 0% MAGENTA 83% YELLOW 23% 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 #8EC421

How bright Jewel Beetle is, and how far black and white text clear each WCAG bar.

Relative luminance 0.453
0 · dark1 · light

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

Aa Black text 10.07:1 ✓ AA ✓ AAA ✓ Large
Aa White text 2.09:1 ✕ AA ✕ AAA ✕ Large

Developer shortcuts

Quick CSS Snippets for #8EC421

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

jewel-beetle.css
background-color: #8EC421;
color: #8EC421;
border: 2px solid #8EC421;
background-color: rgb(142, 196, 33);
background-color: hsl(80, 71%, 45%);
--color: #8EC421;

Shades · light to dark

#8EC421 Monochrome Palette

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

#F4F9E9
#E3F0C8
#D2E7A6
#C1DF85
#B0D664
#9FCD42
#8EC421
#79A71C
#638917
#4E6C12
#394E0D
#243108
#0E1403

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

Harmony · 180° apart

#8EC421 Complementary Palette

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

#8EC421
#5821C4

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

Harmony · adjacent hues

#8EC421 Analogic Palette

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

#8EC421
#3CC421
#C4A921
#21C458
#C45821
#21C4A9
#C4213C

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

Harmony · 120° apart

#8EC421 Triadic Palette

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

#8EC421
#218EC4
#C4218E

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

Harmony · 90° apart

#8EC421 Quad Palette

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

#8EC421
#21C4A9
#5821C4
#C4213C

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

Accessibility

Color Blindness Simulation for #8EC421

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

#8EC421
#A29E52
#A5A648
#91686E
#ADADAD
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 #8EC421

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

#5821C4
#3CC421
#218EC4
#21C4A9
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#8EC421 Nearby Colors

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

Poisonous Potion#99DD33
Kiwi Crush#77BB00
Sour Apple Candy#AAEE44
Ruminant’s Paradise#66AA00
Jewel Beetle#88CC00
Machu Picchu Gardens#99BB33
Overgrowth#77CC33
Leafy Woodland#AABB00

From the color-name library

Colors Similar to #8EC421

The closest named colors to #8EC421 — same mood, each with its own character.

Jewel Beetle#8CC90B
Bergamot#95C703
Walk in the Park#88BB11
Aromatic Herbs#98C945
Overgrowth#88CC33
Kiwi Crush#7BC027
Wicked Green#9BCA47
Funky Frog#98BD3C
Machu Picchu Gardens#99BB33
Lone Hunter#94C84C
Jubilant Meadow#7BB92B
Poisonous Mints#8FD400

Looking for more Green shades? Browse Green colors →

Inspiration

Explore Vibrant Images Featuring Jewel Beetle (#8ec421)

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

Good to know

Frequently Asked Questions about #8EC421

#8EC421 is a cool color from the Lime family. Its closest matched name is “Jewel Beetle”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(142, 196, 33); in HSL, hsl(80, 71%, 45%).
In RGB, #8EC421 is rgb(142, 196, 33); in HSL it is hsl(80, 71%, 45%); and in CMYK — the model used for print — it is cmyk(28%, 0%, 83%, 23%).
#8EC421 has a contrast ratio of 10.07:1 against black and 2.09:1 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 #8EC421 is #5821C4 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #8EC421 in the palette sections above.