About Color Hex #efd324

The color Yellow Mellow, with hexadecimal code #efd324, sits in the orange color family, typically linked to enthusiasm, creativity, and warmth. Orange hues stimulate appetite and social interaction, which is why food brands and community platforms favor them. Additionally, it evokes emotions such as Happiness, Optimism, Positivity, Intellect and Energy. Orange is associated with spirituality and courage in some cultures, such as in Hinduism and Buddhism. In Western cultures, it often represents autumn, harvest, and creativity. With a high saturation of 86%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. With a mid-range lightness of 54%, 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 Happiness, Optimism, Positivity, Intellect, or Energy. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Yellow Mellow are (239, 211, 36), providing a combination of red: 239, green: 211, and blue: 36. In HSL format, it has a hue of 52.00°, saturation of 86.00%, and lightness of 54.00%.

The HSV representation includes a hue of 52.00°, saturation of 85.00%, and value of 94.00%. Its CMYK composition is cyan: 0.00%, magenta: 12.00%, yellow: 85.00%, and black: 6.00%.

The calculated luminance of #efd324 is 0.651, 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 #FFCC33. Its contrast ratio is 14.01:1 against black and 1.50:1 against white. It works well on dark backgrounds but may be less readable on lighter ones.

In terms of color temperature, #efd324 reads as warm. 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 #efd324 is black.

Considering its saturation and lightness, #efd324 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #EFD324

Yellow Mellow (#EFD324) belongs to the Amber 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

Amber—the fossilized tree resin—has been prized since the Neolithic period, with Baltic amber trade routes spanning from Scandinavia to the Mediterranean. The warm golden-yellow color named after this material became synonymous with preserved antiquity. In traffic engineering, amber signals 'caution'—a universal standard since the first traffic light was installed in London in 1868.

Design & Usage Tips

Amber tones bridge yellow and orange, lending warmth without the intensity of either extreme. They work beautifully in autumn-themed campaigns, artisanal food branding, and vintage-inspired designs. Pair amber with dark brown or forest green for an earthy, organic palette, or with ivory for a refined, warm-neutral scheme.

Positioned on the warm side of the color wheel (hue 52°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. At 86% 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

Amber evokes warmth, nostalgia, and comfort—like candlelight or afternoon sunlight. It feels inviting and reassuring, making it excellent for hospitality, craft beverage, and home-goods branding. Amber also carries a gentle sense of caution inherited from traffic signals.

With a mid-range lightness of 54%, 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 amber gradients as warm overlays on hero photography for a golden-hour effect. Combine amber typography on dark backgrounds for a premium whiskey or craft-beer aesthetic. In UI design, amber status indicators effectively communicate 'pending' or 'in-progress' states.

#EFD324 Color Conversions

Every way to write Yellow Mellow — copy Yellow Mellow 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
#EFD324

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(239, 211, 36)

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(52, 86%, 54%)

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(52, 85%, 94%)

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(52 14% 6%)

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(0%, 12%, 85%, 6%)

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(86.45% 0.172 99.04)

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

OKLab Modern
oklab(86.45% -0.027 0.170)

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: 84.52, a: -6.24, b: 79.86

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

LCH Perceptual
L: 84.52, C: 80.10, H: 94.47

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

XYZ CIE Science
X: 59.21, Y: 65.07, Z: 11.11

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
15717156

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

RGB Color Percentages for #efd324

RGB Color Percentages for Yellow Mellow (HEX Code: #efd324) 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 Red, making up 49.18% of the total composition. The complete breakdown of RGB contributions is:

Red:
49.18%
Green:
43.42%
Blue:
7.41%

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

CMYK Ink Levels & Print Guide for #efd324

CMYK Ink Levels for Yellow Mellow (HEX Code: #efd324) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Yellow Mellow prominently features Yellow, 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: 0%, Magenta: 11.72%, Yellow: 84.94%, and Black: 6.27%.

Luminance & Contrast for #EFD324

Relative luminance gauges how bright Yellow Mellow 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 0.651
0 · dark1 · light
Aa
Black text 14.01:1
AA AAA Large
Aa
White text 1.50:1
AA AAA Large

Quick CSS Snippets for #EFD324

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

Background background-color: #EFD324;
Text color: #EFD324;
Border border: 2px solid #EFD324;
RGB background-color: rgb(239, 211, 36);
HSL background-color: hsl(52, 86%, 54%);
Variable --color: #EFD324;

#efd324 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.

#fdfbe9
#fbf4c8
#f9eda7
#f6e787
#f4e066
#f1da45
#efd324 Original
#cbb31f
#a79419
#837414
#60540e
#3c3509
#181504

#efd324 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.

#efd324 Original
#2540ef

#efd324 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.

#efd324 Original
#a5ef25
#ef6f25
#40ef25
#ef2540
#25ef6f
#ef25a5

#efd324 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.

#efd324 Original
#25efd4
#d425ef

#efd324 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.

#efd324 Original
#25ef6f
#2540ef
#ef25a5

Color Blindness Simulation for #efd324

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 Yellow Mellow (#efd324) 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)

Friendly

Tritanopia (Blue-Yellow Weakness)

Not Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #efd324

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)

#EFD324 Nearby Colors

A handful of colors just a step away from #EFD324 — 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.

#ffdd33 Emoji Yellow
#ddbb00 Fat Gold
#ffee55 Corn
#ccaa00 Hot Sand
#eecc00 Munsell Yellow
#eecc44 Montezuma Gold
#dddd22 Sun Flooded Woods
#ffcc22 Goldenrod

Colors Similar to #efd324

These colors are close neighbours of #EFD324 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Orange tone.

#f0d324 Yellow Mellow
#efd424 Yellow Mellow
#efd325 Yellow Mellow
#eed324 Yellow Mellow
#efd224 Yellow Mellow
#efd323 Yellow Mellow
#ffd324 Gold
#efe424 Banana Bombshell
#efd335 Yellow Mellow
#ded324 Banana Brick
#efc224 Radiant Sunrise
#efd313 Yellow Mellow

Looking for more Orange shades? Browse Orange colors →

Explore Vibrant Images Featuring Yellow Mellow (#efd324)

Discover a vibrant gallery of images that not only showcase the captivating hue of Yellow Mellow, 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.