Aureolin (#FDEE00)

HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.

Preview

Sample Text
This is how text may look on this color.
Best text color: #000000
Contrast vs white: 1.21:1 — vs black: 17.41:1

Color values

  • HEX #FDEE00
  • RGB rgb(253, 238, 0)
  • HSL hsl(56, 100%, 49%)
  • CMYK cmyk( 0, 6, 100, 1 )
  • Websafe #FFFF00
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Tags

Mood

Energetic (215) Bold (205)

Style

Vivid (210) Warm (180)

Use case

Text (210) Button (200) Accent (185)

Tip: tags are heuristic suggestions (helpful for browsing and inspiration).

Color Harmonies

Colors that pair well with #FDEE00 based on color theory relationships.

Complementary

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

Aureolin
#FDEE00 Base
#000FFD
Analogous

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

Aureolin
#FDEE00 Base
#FD6F00
#8DFD00
Triadic

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

Aureolin
#FDEE00 Base
#00FDEE
#EE00FD
Split-Complementary

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

Aureolin
#FDEE00 Base
#008DFD
#6F00FD
Tetradic (Square)

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

Aureolin
#FDEE00 Base
#00FD6F
#000FFD
#FD008D
Monochromatic

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

Aureolin
#FDEE00 Base
#645E00
#B0A600
#D4C800
#FFF227
#FFF44A
#FFF997
Shades & Tints

Darker shades and lighter tints of Aureolin, generated by adjusting lightness while keeping the same hue and saturation.

Shades (darker)

— #1A1800
— #474300
— #746E00
— #A29800
— #D0C300
Aureolin #FDEE00 Base
— #FFF32C
— #FFF55B
— #FFF889
— #FFFBB7
— #FFFDE6
CSS & SCSS Snippets

Ready-to-use code snippets for #FDEE00. Click the copy button to copy any snippet to your clipboard.

CSS Properties 
/* Background */
.element {
    background-color: #FDEE00;
}

/* Text */
.element {
    color: #FDEE00;
}

/* Border */
.element {
    border: 1px solid #FDEE00;
}
CSS Gradient 
/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #FDEE00,
        #000FFD
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #FDEE00,
        #000FFD
    );
}
SCSS Variable 
// SCSS variable
$aureolin: #FDEE00;

// With RGB channels (useful for rgba() usage)
$aureolin-r: 253;
$aureolin-g: 238;
$aureolin-b: 0;

// Usage
.element {
    background-color: $aureolin;
    color: rgba($aureolin-r, $aureolin-g, $aureolin-b, 0.8);
}
Color Blindness Simulation

How Aureolin appears to people with different types of color vision deficiency.

Normal Vision #FDEE00 How the color appears with full color vision.
Deuteranopia #F2F200 Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.
Protanopia #F0F002 Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.
Tritanopia #FFE0E0 Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.
Achromatopsia #EAEAEA Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.
Similar Named Colors

The closest named colors to Aureolin ranked by perceptual difference (Delta-E 2000 — lower = more similar).

Aureolin #FDEE00 Base
Canary Yellow #FFEF00 ΔE 0.33
Yellow Rose #FFF000 ΔE 0.43
Cadmium Yellow #FFF600 ΔE 1.96
Lemon #FFF700 ΔE 2.22

How to use this color

  1. Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
  2. Use CMYK when preparing print assets (posters, packaging, brochures).
  3. Check contrast before using it for text or important UI elements.