About Color Hex #4df751

The color Radiant Hulk, with hexadecimal code #4df751, 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 Nature, Healing, Balance, Stability and Calmness. 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. With a high saturation of 91%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. At 64% 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 Nature, Healing, Balance, Stability, or Calmness. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Radiant Hulk are (77, 247, 81), providing a combination of red: 77, green: 247, and blue: 81. In HSL format, it has a hue of 121.00°, saturation of 91.00%, and lightness of 64.00%.

The HSV representation includes a hue of 121.00°, saturation of 69.00%, and value of 97.00%. Its CMYK composition is cyan: 69.00%, magenta: 0.00%, yellow: 67.00%, and black: 3.00%.

The calculated luminance of #4df751 is 0.687, 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 #66FF66. Its contrast ratio is 14.74:1 against black and 1.42:1 against white. It works well on dark backgrounds but may be less readable on lighter ones.

In terms of color temperature, #4df751 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 #4df751 is black.

Considering its saturation and lightness, #4df751 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #4DF751

Radiant Hulk (#4DF751) 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 121°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. At 91% 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

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.

At 64% 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 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.

#4DF751 Color Conversions

Every way to write Radiant Hulk — copy Radiant Hulk 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
#4DF751

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(77, 247, 81)

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(121, 91%, 64%)

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(121, 69%, 97%)

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(121 30% 3%)

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(69%, 0%, 67%, 3%)

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(85.81% 0.248 143.33)

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

OKLab Modern
oklab(85.81% -0.199 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: 86.35, a: -73.46, b: 64.61

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

LCH Perceptual
L: 86.35, C: 97.83, H: 138.67

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

XYZ CIE Science
X: 37.81, Y: 68.69, Z: 19.05

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
5109585

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

RGB Color Percentages for #4df751

RGB Color Percentages for Radiant Hulk (HEX Code: #4df751) 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 60.99% of the total composition. The complete breakdown of RGB contributions is:

Red:
19.01%
Green:
60.99%
Blue:
20%

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

CMYK Ink Levels & Print Guide for #4df751

CMYK Ink Levels for Radiant Hulk (HEX Code: #4df751) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Radiant Hulk 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: 68.83%, Magenta: 0%, Yellow: 67.21%, and Black: 3.14%.

Luminance & Contrast for #4DF751

Relative luminance gauges how bright Radiant Hulk 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 0.687
0 · dark1 · light
Aa
Black text 14.74:1
AA AAA Large
Aa
White text 1.42:1
AA AAA Large

Quick CSS Snippets for #4DF751

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

Background background-color: #4DF751;
Text color: #4DF751;
Border border: 2px solid #4DF751;
RGB background-color: rgb(77, 247, 81);
HSL background-color: hsl(121, 91%, 64%);
Variable --color: #4DF751;

#4df751 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.

#edfeee
#d3fdd4
#b8fcb9
#9dfb9f
#82f985
#68f86b
#4df751 Original
#41d245
#36ad39
#2a882d
#1f6320
#133e14
#081908

#4df751 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.

#4df751 Original
#f750f4

#4df751 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.

#4df751 Original
#50f7a6
#a0f750
#50f4f7
#f4f750
#50a0f7
#f7a650

#4df751 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.

#4df751 Original
#5250f7
#f75250

#4df751 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.

#4df751 Original
#50a0f7
#f750f4
#f7a650

Color Blindness Simulation for #4df751

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 Radiant Hulk (#4df751) 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)

Not Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #4df751

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)

#4DF751 Nearby Colors

A handful of colors just a step away from #4DF751 — 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.

#66ff66 Screamin’ Green
#33dd44 Alarming Slime
#77ff77 Light Green
#00cc33 Lime Green
#33ff44 Electric Laser Lime
#66ee66 The Matrix
#00ff77 Spring Green
#88ee33 Luxurious Lime

Colors Similar to #4df751

These colors are close neighbours of #4DF751 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Green tone.

#4ef751 Radiant Hulk
#4df851 Screamin’ Green
#4df752 Radiant Hulk
#4cf751 Radiant Hulk
#4df651 Radiant Hulk
#4df750 Radiant Hulk
#5ef751 The Matrix
#4dff51 Screamin’ Green
#4df762 Screamin’ Green
#3cf751 Radiant Hulk
#4de651 Alarming Slime
#4df740 Electric Laser Lime

Looking for more Green shades? Browse Green colors →

Explore Vibrant Images Featuring Radiant Hulk (#4df751)

Discover a vibrant gallery of images that not only showcase the captivating hue of Radiant Hulk, 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.