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#EFC91F

#efc91f ≈ Jonquil

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#efc91f is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 78.82% green and 12.16% blue; printed in CMYK it uses 0% cyan, 15.9% magenta, 87.03% yellow and 6.27% black. Its hue angle is 49.04°, with 86.67% saturation and 52.94% 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 13.04:1 (WCAG AAA). The closest named color is Jonquil (#f4ca16), ΔE 1.1.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ffcc33
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.6022

Complementary

  1. #efc91f
  2. #1f45ef

Split complementary

  1. #efc91f
  2. #1fadef
  3. #611fef

Analogous

  1. #ef611f
  2. #efc91f
  3. #adef1f

Triadic

  1. #efc91f
  2. #1fefc9
  3. #c91fef

Tetradic

  1. #efc91f
  2. #45ef1f
  3. #1f45ef
  4. #c91fef

Square

  1. #efc91f
  2. #1fef61
  3. #1f45ef
  4. #ef1fad

Monochromatic

  1. #6d5b08
  2. #b5960d
  3. #efc91f
  4. #f4da66
  5. #f9ebae

Shades

#efc91f mixed progressively with black.

  1. #efc91f
  2. #d7b51c
  3. #bfa119
  4. #a78d16
  5. #8f7913
  6. #786510
  7. #60500c
  8. #483c09
  9. #302806
  10. #181403
  11. #000000

Tints

#efc91f mixed progressively with white.

  1. #efc91f
  2. #f1ce35
  3. #f2d44c
  4. #f4d962
  5. #f5df79
  6. #f7e48f
  7. #f9e9a5
  8. #faefbc
  9. #fcf4d2
  10. #fdfae9
  11. #ffffff

Tones

#efc91f mixed progressively with gray.

  1. #efc91f
  2. #e4c229
  3. #d9ba32
  4. #ceb33c
  5. #c3ac46
  6. #b8a550
  7. #ac9d59
  8. #a19663
  9. #968f6d
  10. #8b8776
  11. #808080

Readable text 1.61:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.04:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #cccccc ≈ 0.003% of males
Achromatomaly #dbcba3 ≈ 0.001% of males
Protanopia #e0c500 ≈ 1.01% of males
Deuteranopia #e9d12f ≈ 1.27% of males
Tritanopia #ffb8ac ≈ 0.0001% of males
Protanomaly #e6c700 ≈ 1.08% of males
Deuteranomaly #ecce29 ≈ 4.63% of males
Tritanomaly #fbbf8a ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-efc91f {
  color: #efc91f;
}
Background
.bg-efc91f {
  background-color: #efc91f;
  color: #000000;
}
Border
.border-efc91f {
  border: 2px solid #efc91f;
}
CSS variables
:root {
  --color-primary: #efc91f;
  --color-primary-rgb: 239 201 31;
  --color-primary-hsl: 49 87% 53%;
}
Gradient
.gradient-efc91f {
  background: linear-gradient(135deg, #efc91f, #adef1f);
}
Colored shadow
.shadow-efc91f {
  box-shadow: 0 8px 24px rgb(239 201 31 / 0.35);
}

#f4ca16 Jonquil ΔE 1.10 #ffd300 Cyber Yellow ΔE 3.19 #f4c430 Saffron ΔE 3.28 #ffd700 Gold ΔE 3.73 #ffcc33 Sunglow ΔE 3.80 #e4d00a Citrine ΔE 4.77 #ffdb58 Mustard ΔE 5.03 #1036e0 Inverted #cccccc Grayscale 

Jonquil
#efc91f  rgb(239, 201, 31)  hsl(49, 87%, 53%)  Jonquil
#1f45ef  rgb(31, 69, 239)  hsl(229, 87%, 53%)  Iris
#1fefc9  rgb(31, 239, 201)  hsl(169, 87%, 53%)  Aquamarine
#c91fef  rgb(201, 31, 239)  hsl(289, 87%, 53%)  Electric Purple