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#FFEF2F

#ffef2f ≈ Aureolin

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ffef2f is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 100% red, 93.73% green and 18.43% blue; printed in CMYK it uses 0% cyan, 6.27% magenta, 81.57% yellow and 0% black. Its hue angle is 55.38°, with 100% saturation and 59.22% lightness in HSL. It is a warm color, often associated with optimism, attention and joy. Designers typically use it for highlights and warnings, children's products and call-to-action buttons. Black text on this color reaches a contrast ratio of 17.64:1 (WCAG AAA). The closest named color is Aureolin (#fdee00), ΔE 1.28.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ffff33
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.832

Complementary

  1. #ffef2f
  2. #2f3fff

Split complementary

  1. #ffef2f
  2. #2fa7ff
  3. #872fff

Analogous

  1. #ff872f
  2. #ffef2f
  3. #a7ff2f

Triadic

  1. #ffef2f
  2. #2fffef
  3. #ef2fff

Tetradic

  1. #ffef2f
  2. #3fff2f
  3. #2f3fff
  4. #ef2fff

Square

  1. #ffef2f
  2. #2fff87
  3. #2f3fff
  4. #ff2fa7

Monochromatic

  1. #958a00
  2. #e2d000
  3. #ffef2f
  4. #fff57c
  5. #fffbc8

Shades

#ffef2f mixed progressively with black.

  1. #ffef2f
  2. #e6d72a
  3. #ccbf26
  4. #b3a721
  5. #998f1c
  6. #807818
  7. #666013
  8. #4d480e
  9. #333009
  10. #1a1805
  11. #000000

Tints

#ffef2f mixed progressively with white.

  1. #ffef2f
  2. #fff144
  3. #fff259
  4. #fff46d
  5. #fff582
  6. #fff797
  7. #fff9ac
  8. #fffac1
  9. #fffcd5
  10. #fffdea
  11. #ffffff

Tones

#ffef2f mixed progressively with gray.

  1. #ffef2f
  2. #f2e437
  3. #e6d93f
  4. #d9ce47
  5. #ccc34f
  6. #c0b858
  7. #b3ac60
  8. #a6a168
  9. #999670
  10. #8d8b78
  11. #808080

Readable text 1.19:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 17.64:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #ebebeb ≈ 0.003% of males
Achromatomaly #f3edbd ≈ 0.001% of males
Protanopia #ffe700 ≈ 1.01% of males
Deuteranopia #ffef41 ≈ 1.27% of males
Tritanopia #ffdecd ≈ 0.0001% of males
Protanomaly #ffea07 ≈ 1.08% of males
Deuteranomaly #ffef3b ≈ 4.63% of males
Tritanomaly #ffe5a5 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ffef2f {
  color: #ffef2f;
}
Background
.bg-ffef2f {
  background-color: #ffef2f;
  color: #000000;
}
Border
.border-ffef2f {
  border: 2px solid #ffef2f;
}
CSS variables
:root {
  --color-primary: #ffef2f;
  --color-primary-rgb: 255 239 47;
  --color-primary-hsl: 55 100% 59%;
}
Gradient
.gradient-ffef2f {
  background: linear-gradient(135deg, #ffef2f, #a7ff2f);
}
Colored shadow
.shadow-ffef2f {
  box-shadow: 0 8px 24px rgb(255 239 47 / 0.35);
}

#fdee00 Aureolin ΔE 1.28 #ffef00 Canary Yellow ΔE 1.31 #fff600 Cadmium Yellow ΔE 2.39 #fff700 Lemon ΔE 2.62 #eee600 Titanium Yellow ΔE 2.88 #f0e130 Dandelion ΔE 3.19 #fcf75e Icterine ΔE 4.24 #0010d0 Inverted #ebebeb Grayscale 

Aureolin
#ffef2f  rgb(255, 239, 47)  hsl(55, 100%, 59%)  Aureolin
#2f3fff  rgb(47, 63, 255)  hsl(235, 100%, 59%)  Han Purple
#2fffef  rgb(47, 255, 239)  hsl(175, 100%, 59%)  Turquoise Blue
#ef2fff  rgb(239, 47, 255)  hsl(295, 100%, 59%)  Fuchsia