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#FEF511

#fef511 ≈ Cadmium Yellow

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#fef511 is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 99.61% red, 96.08% green and 6.67% blue; printed in CMYK it uses 0% cyan, 3.54% magenta, 93.31% yellow and 0.39% black. Its hue angle is 57.72°, with 99.16% saturation and 53.14% 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 18.28:1 (WCAG AAA). The closest named color is Cadmium Yellow (#fff600), ΔE 0.37.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ffff00
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.8642

Complementary

  1. #fef511
  2. #111afe

Split complementary

  1. #fef511
  2. #1191fe
  3. #7f11fe

Analogous

  1. #fe7f11
  2. #fef511
  3. #91fe11

Triadic

  1. #fef511
  2. #11fef5
  3. #f511fe

Tetradic

  1. #fef511
  2. #1afe11
  3. #111afe
  4. #f511fe

Square

  1. #fef511
  2. #11fe7f
  3. #111afe
  4. #fe1191

Monochromatic

  1. #767100
  2. #c2ba01
  3. #fef511
  4. #fef85d
  5. #fffba9

Shades

#fef511 mixed progressively with black.

  1. #fef511
  2. #e5dd0f
  3. #cbc40e
  4. #b2ac0c
  5. #98930a
  6. #7f7b09
  7. #666207
  8. #4c4a05
  9. #333103
  10. #191902
  11. #000000

Tints

#fef511 mixed progressively with white.

  1. #fef511
  2. #fef629
  3. #fef741
  4. #fef858
  5. #fef970
  6. #fffa88
  7. #fffba0
  8. #fffcb8
  9. #fffdcf
  10. #fffee7
  11. #ffffff

Tones

#fef511 mixed progressively with gray.

  1. #fef511
  2. #f1e91c
  3. #e5de27
  4. #d8d232
  5. #ccc63d
  6. #bfbb49
  7. #b2af54
  8. #a6a35f
  9. #99976a
  10. #8d8c75
  11. #808080

Readable text 1.15:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 18.28:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #efefef ≈ 0.003% of males
Achromatomaly #f5f1bf ≈ 0.001% of males
Protanopia #ffeb00 ≈ 1.01% of males
Deuteranopia #fff233 ≈ 1.27% of males
Tritanopia #ffe4d1 ≈ 0.0001% of males
Protanomaly #ffef00 ≈ 1.08% of males
Deuteranomaly #fff329 ≈ 4.63% of males
Tritanomaly #ffeba7 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-fef511 {
  color: #fef511;
}
Background
.bg-fef511 {
  background-color: #fef511;
  color: #000000;
}
Border
.border-fef511 {
  border: 2px solid #fef511;
}
CSS variables
:root {
  --color-primary: #fef511;
  --color-primary-rgb: 254 245 17;
  --color-primary-hsl: 58 99% 53%;
}
Gradient
.gradient-fef511 {
  background: linear-gradient(135deg, #fef511, #91fe11);
}
Colored shadow
.shadow-fef511 {
  box-shadow: 0 8px 24px rgb(254 245 17 / 0.35);
}

#fff600 Cadmium Yellow ΔE 0.37 #fff700 Lemon ΔE 0.53 #fdee00 Aureolin ΔE 1.81 #ffef00 Canary Yellow ΔE 1.84 #ffff00 Yellow ΔE 2.53 #ffff31 Daffodil ΔE 2.73 #eee600 Titanium Yellow ΔE 3.26 #010aee Inverted #efefef Grayscale 

Cadmium Yellow
#fef511  rgb(254, 245, 17)  hsl(58, 99%, 53%)  Cadmium Yellow
#111afe  rgb(17, 26, 254)  hsl(238, 99%, 53%)  Blue
#11fef5  rgb(17, 254, 245)  hsl(178, 99%, 53%)  Turquoise Blue
#f511fe  rgb(245, 17, 254)  hsl(298, 99%, 53%)  Fuchsia