Yellow (Munsell)

HEX: #EFCC00 | Modern Palette

On White
1.58:1
FAIL
On Black
13.31:1
PASS

Color Specifications

HEX
#EFCC00
RGB
239, 204, 0
HSL
51°, 100% ,93%
CMYK
0, 14.64, 100, 6.27

About Yellow (Munsell)

Yellow (Munsell) (#EFCC00) is a color with RGB(239, 204, 0) and HSL(51.21°, 100%, 93.73%). It is commonly associated with Playful moods. In design, it fits Neon, Warm styles and is suitable for Text, Button, Background. Its complementary color is #0023EF, which creates strong contrast. Its triadic palette includes #00EFCC and #CC00EF.

  • HEX: #EFCC00
  • RGB: 239, 204, 0
  • HSL: 51.21°, 100%, 93.73%
  • Mood: Playful
  • Style: Neon, Warm
  • Use case: Text, Button, Background
  • Complementary color: #0023EF
  • Triadic colors: #00EFCC, #CC00EF

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

Monochromatic Five tones of the same hue — a reliable scale for backgrounds, surfaces, and text.
Neutral + Accent Four near-neutral tones grounded by a saturated accent — clean and versatile for UI.
Analogous Five hues drifting across a 60° arc — naturally harmonious and pleasing to the eye.
3 + 1 + 1 Three analogous base colors, one complementary accent, one dark anchor — bold yet balanced.

Color Harmonies

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Shades & Tints

A seamless scale of #EFCC00 from deepest shade to lightest tint.

Color Characteristics

Mood
Playful
Style
Neon Warm
Use case
Text Button Background

Accessibility Simulation

Deuteranopia #D7D700
Protanopia #D0D004
Tritanopia #F9C0C0
Achromatopsia #CECECE

Frequently Asked Questions

Yellow (Munsell) (#EFCC00) is a color with RGB(239, 204, 0) and HSL(51.21°, 100%, 93.73%).

#EFCC00 pairs strongly with #0023EF as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#EFCC00 is suitable for Text, Button, Background and works well with Neon, Warm styles.

#EFCC00 is commonly associated with Playful.

Similar Named Colors
Jonquil #F4CA16 ΔE 1.95
Safety Yellow #EED202 ΔE 2.12
Cyber Yellow #FFD300 ΔE 2.91
Gold #FFD700 ΔE 3.00

Code Snippets

/* Background */
.element {
    background-color: #EFCC00;
}

/* Text */
.element {
    color: #EFCC00;
}

/* Border */
.element {
    border: 1px solid #EFCC00;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #EFCC00,
        #DFE4FF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #EFCC00,
        #DFE4FF
    );
}

// SCSS variable
$yellow-(munsell): #EFCC00;

// With RGB channels (useful for rgba() usage)
$yellow-(munsell)-r: 239;
$yellow-(munsell)-g: 204;
$yellow-(munsell)-b: 0;

// Usage
.element {
    background-color: $yellow-(munsell);
    color: rgba($yellow-(munsell)-r, $yellow-(munsell)-g, $yellow-(munsell)-b, 0.8);
}