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#FEF666

#fef666 ≈ Icterine

  • yellow
  • Lightness: high
  • Saturation: strong
  • Warm
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#fef666 is a color from the yellow family, with high lightness and strong saturation. In the RGB model it is made of 99.61% red, 96.47% green and 40% blue; printed in CMYK it uses 0% cyan, 3.15% magenta, 59.84% yellow and 0.39% black. Its hue angle is 56.84°, with 98.7% saturation and 69.8% 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 18.59:1 (WCAG AAA). The closest named color is Icterine (#fcf75e), ΔE 1.02.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ffff66
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.8794

Complementary

  1. #fef666
  2. #666efe

Split complementary

  1. #fef666
  2. #66bafe
  3. #aa66fe

Analogous

  1. #feaa66
  2. #fef666
  3. #bafe66

Triadic

  1. #fef666
  2. #66fef6
  3. #f666fe

Tetradic

  1. #fef666
  2. #6efe66
  3. #666efe
  4. #f666fe

Square

  1. #fef666
  2. #66feaa
  3. #666efe
  4. #fe66ba

Monochromatic

  1. #cabf01
  2. #fef21a
  3. #fef666
  4. #fefab2
  5. #fffeeb

Shades

#fef666 mixed progressively with black.

  1. #fef666
  2. #e5dd5c
  3. #cbc552
  4. #b2ac47
  5. #98943d
  6. #7f7b33
  7. #666229
  8. #4c4a1f
  9. #333114
  10. #19190a
  11. #000000

Tints

#fef666 mixed progressively with white.

  1. #fef666
  2. #fef775
  3. #fef885
  4. #fef994
  5. #fefaa3
  6. #fffbb3
  7. #fffbc2
  8. #fffcd1
  9. #fffde0
  10. #fffef0
  11. #ffffff

Tones

#fef666 mixed progressively with gray.

  1. #fef666
  2. #f1ea69
  3. #e5de6b
  4. #d8d36e
  5. #ccc770
  6. #bfbb73
  7. #b2af76
  8. #a6a378
  9. #99987b
  10. #8d8c7d
  11. #808080

Readable text 1.13:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 18.59:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #f1f1f1 ≈ 0.003% of males
Achromatomaly #f6f3c8 ≈ 0.001% of males
Protanopia #ffee55 ≈ 1.01% of males
Deuteranopia #fff46e ≈ 1.27% of males
Tritanopia #ffe7d7 ≈ 0.0001% of males
Protanomaly #fff15c ≈ 1.08% of males
Deuteranomaly #fff56b ≈ 4.63% of males
Tritanomaly #ffedb5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-fef666 {
  color: #fef666;
}
Background
.bg-fef666 {
  background-color: #fef666;
  color: #000000;
}
Border
.border-fef666 {
  border: 2px solid #fef666;
}
CSS variables
:root {
  --color-primary: #fef666;
  --color-primary-rgb: 254 246 102;
  --color-primary-hsl: 57 99% 70%;
}
Gradient
.gradient-fef666 {
  background: linear-gradient(135deg, #fef666, #bafe66);
}
Colored shadow
.shadow-fef666 {
  box-shadow: 0 8px 24px rgb(254 246 102 / 0.35);
}

#fcf75e Icterine ΔE 1.02 #ffff66 Laser Lemon ΔE 2.41 #ffff31 Daffodil ΔE 4.75 #fff600 Cadmium Yellow ΔE 5.34 #fff700 Lemon ΔE 5.36 #f0e130 Dandelion ΔE 5.44 #fdee00 Aureolin ΔE 5.56 #010999 Inverted #f1f1f1 Grayscale 

Icterine
#fef666  rgb(254, 246, 102)  hsl(57, 99%, 70%)  Icterine
#666efe  rgb(102, 110, 254)  hsl(237, 99%, 70%)  Medium Slate Blue
#66fef6  rgb(102, 254, 246)  hsl(177, 99%, 70%)  Aqua
#f666fe  rgb(246, 102, 254)  hsl(297, 99%, 70%)  Fuchsia Pink