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#EFCD03

#efcd03 ≈ Jonquil

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#efcd03 is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 80.39% green and 1.18% blue; printed in CMYK it uses 0% cyan, 14.23% magenta, 98.74% yellow and 6.27% black. Its hue angle is 51.36°, with 97.52% saturation and 47.45% 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 13.4:1 (WCAG AAA). The closest named color is Jonquil (#f4ca16), ΔE 2.21.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ffcc00
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.6202

Complementary

  1. #efcd03
  2. #0325ef

Split complementary

  1. #efcd03
  2. #039bef
  3. #5703ef

Analogous

  1. #ef5703
  2. #efcd03
  3. #9bef03

Triadic

  1. #efcd03
  2. #03efcd
  3. #cd03ef

Tetradic

  1. #efcd03
  2. #25ef03
  3. #0325ef
  4. #cd03ef

Square

  1. #efcd03
  2. #03ef57
  3. #0325ef
  4. #ef039b

Monochromatic

  1. #584b01
  2. #a38c02
  3. #efcd03
  4. #fde242
  5. #feed8d

Shades

#efcd03 mixed progressively with black.

  1. #efcd03
  2. #d7b903
  3. #bfa402
  4. #a79002
  5. #8f7b02
  6. #786702
  7. #605201
  8. #483e01
  9. #302901
  10. #181500
  11. #000000

Tints

#efcd03 mixed progressively with white.

  1. #efcd03
  2. #f1d21c
  3. #f2d735
  4. #f4dc4f
  5. #f5e168
  6. #f7e681
  7. #f9eb9a
  8. #faf0b3
  9. #fcf5cd
  10. #fdfae6
  11. #ffffff

Tones

#efcd03 mixed progressively with gray.

  1. #efcd03
  2. #e4c510
  3. #d9be1c
  4. #ceb629
  5. #c3ae35
  6. #b8a742
  7. #ac9f4e
  8. #a1975b
  9. #968f67
  10. #8b8874
  11. #808080

Readable text 1.57:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.4:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #cecece ≈ 0.003% of males
Achromatomaly #dccea4 ≈ 0.001% of males
Protanopia #e4c800 ≈ 1.01% of males
Deuteranopia #ecd323 ≈ 1.27% of males
Tritanopia #ffbcaf ≈ 0.0001% of males
Protanomaly #e8ca00 ≈ 1.08% of males
Deuteranomaly #edd11a ≈ 4.63% of males
Tritanomaly #fbc38b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-efcd03 {
  color: #efcd03;
}
Background
.bg-efcd03 {
  background-color: #efcd03;
  color: #000000;
}
Border
.border-efcd03 {
  border: 2px solid #efcd03;
}
CSS variables
:root {
  --color-primary: #efcd03;
  --color-primary-rgb: 239 205 3;
  --color-primary-hsl: 51 98% 47%;
}
Gradient
.gradient-efcd03 {
  background: linear-gradient(135deg, #efcd03, #9bef03);
}
Colored shadow
.shadow-efcd03 {
  box-shadow: 0 8px 24px rgb(239 205 3 / 0.35);
}

#f4ca16 Jonquil ΔE 2.21 #ffd700 Gold ΔE 2.93 #ffd300 Cyber Yellow ΔE 2.98 #e4d00a Citrine ΔE 3.45 #ffdf00 Golden Yellow ΔE 4.21 #ffe135 Banana Yellow ΔE 4.59 #f4c430 Saffron ΔE 4.95 #1032fc Inverted #cecece Grayscale 

Jonquil
#efcd03  rgb(239, 205, 3)  hsl(51, 98%, 47%)  Jonquil
#0325ef  rgb(3, 37, 239)  hsl(231, 98%, 47%)  Blue
#03efcd  rgb(3, 239, 205)  hsl(171, 98%, 47%)  Turquoise
#cd03ef  rgb(205, 3, 239)  hsl(291, 98%, 47%)  Electric Purple