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#FDF23B

#fdf23b ≈ Aureolin

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#fdf23b is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 99.22% red, 94.9% green and 23.14% blue; printed in CMYK it uses 0% cyan, 4.35% magenta, 76.68% yellow and 0.78% black. Its hue angle is 56.6°, with 97.98% saturation and 61.18% 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 17.94:1 (WCAG AAA). The closest named color is Aureolin (#fdee00), ΔE 2.21.

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 luminance0.847

Complementary

  1. #fdf23b
  2. #3b46fd

Split complementary

  1. #fdf23b
  2. #3ba7fd
  3. #913bfd

Analogous

  1. #fd913b
  2. #fdf23b
  3. #a7fd3b

Triadic

  1. #fdf23b
  2. #3bfdf2
  3. #f23bfd

Tetradic

  1. #fdf23b
  2. #46fd3b
  3. #3b46fd
  4. #f23bfd

Square

  1. #fdf23b
  2. #3bfd91
  3. #3b46fd
  4. #fd3ba7

Monochromatic

  1. #9d9502
  2. #e9dc02
  3. #fdf23b
  4. #fef787
  5. #fffcd2

Shades

#fdf23b mixed progressively with black.

  1. #fdf23b
  2. #e4da35
  3. #cac22f
  4. #b1a929
  5. #989123
  6. #7f791e
  7. #656118
  8. #4c4912
  9. #33300c
  10. #191806
  11. #000000

Tints

#fdf23b mixed progressively with white.

  1. #fdf23b
  2. #fdf34f
  3. #fdf562
  4. #fef676
  5. #fef789
  6. #fef99d
  7. #fefab1
  8. #fefbc4
  9. #fffcd8
  10. #fffeeb
  11. #ffffff

Tones

#fdf23b mixed progressively with gray.

  1. #fdf23b
  2. #f1e742
  3. #e4db49
  4. #d8d050
  5. #cbc457
  6. #bfb95e
  7. #b2ae64
  8. #a6a26b
  9. #999772
  10. #8d8b79
  11. #808080

Readable text 1.17:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 17.94:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #ededed ≈ 0.003% of males
Achromatomaly #f4efc0 ≈ 0.001% of males
Protanopia #ffe900 ≈ 1.01% of males
Deuteranopia #fff04a ≈ 1.27% of males
Tritanopia #ffe1d0 ≈ 0.0001% of males
Protanomaly #ffed23 ≈ 1.08% of males
Deuteranomaly #fff145 ≈ 4.63% of males
Tritanomaly #ffe8a9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-fdf23b {
  color: #fdf23b;
}
Background
.bg-fdf23b {
  background-color: #fdf23b;
  color: #000000;
}
Border
.border-fdf23b {
  border: 2px solid #fdf23b;
}
CSS variables
:root {
  --color-primary: #fdf23b;
  --color-primary-rgb: 253 242 59;
  --color-primary-hsl: 57 98% 61%;
}
Gradient
.gradient-fdf23b {
  background: linear-gradient(135deg, #fdf23b, #a7fd3b);
}
Colored shadow
.shadow-fdf23b {
  box-shadow: 0 8px 24px rgb(253 242 59 / 0.35);
}

#fdee00 Aureolin ΔE 2.21 #fff600 Cadmium Yellow ΔE 2.23 #ffef00 Canary Yellow ΔE 2.31 #fff700 Lemon ΔE 2.35 #fcf75e Icterine ΔE 3.01 #eee600 Titanium Yellow ΔE 3.03 #ffff31 Daffodil ΔE 3.35 #020dc4 Inverted #ededed Grayscale 

Aureolin
#fdf23b  rgb(253, 242, 59)  hsl(57, 98%, 61%)  Aureolin
#3b46fd  rgb(59, 70, 253)  hsl(237, 98%, 61%)  Majorelle Blue
#3bfdf2  rgb(59, 253, 242)  hsl(177, 98%, 61%)  Turquoise Blue
#f23bfd  rgb(242, 59, 253)  hsl(297, 98%, 61%)  Fuchsia