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#EFCB0B

#efcb0b ≈ Jonquil

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#efcb0b is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 79.61% green and 4.31% blue; printed in CMYK it uses 0% cyan, 15.06% magenta, 95.4% yellow and 6.27% black. Its hue angle is 50.53°, with 91.2% saturation and 49.02% 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 13.22:1 (WCAG AAA). The closest named color is Jonquil (#f4ca16), ΔE 1.59.

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 luminance0.6109

Complementary

  1. #efcb0b
  2. #0b2fef

Split complementary

  1. #efcb0b
  2. #0ba1ef
  3. #590bef

Analogous

  1. #ef590b
  2. #efcb0b
  3. #a1ef0b

Triadic

  1. #efcb0b
  2. #0befcb
  3. #cb0bef

Tetradic

  1. #efcb0b
  2. #2fef0b
  3. #0b2fef
  4. #cb0bef

Square

  1. #efcb0b
  2. #0bef59
  3. #0b2fef
  4. #ef0ba1

Monochromatic

  1. #5d4f04
  2. #a68d08
  3. #efcb0b
  4. #f7dd50
  5. #faeb99

Shades

#efcb0b mixed progressively with black.

  1. #efcb0b
  2. #d7b70a
  3. #bfa209
  4. #a78e08
  5. #8f7a07
  6. #786606
  7. #605104
  8. #483d03
  9. #302902
  10. #181401
  11. #000000

Tints

#efcb0b mixed progressively with white.

  1. #efcb0b
  2. #f1d023
  3. #f2d53c
  4. #f4db54
  5. #f5e06d
  6. #f7e585
  7. #f9ea9d
  8. #faefb6
  9. #fcf5ce
  10. #fdfae7
  11. #ffffff

Tones

#efcb0b mixed progressively with gray.

  1. #efcb0b
  2. #e4c417
  3. #d9bc22
  4. #ceb52e
  5. #c3ad3a
  6. #b8a646
  7. #ac9e51
  8. #a1975d
  9. #968f69
  10. #8b8874
  11. #808080

Readable text 1.59:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.22:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #cdcdcd ≈ 0.003% of males
Achromatomaly #dbcca3 ≈ 0.001% of males
Protanopia #e2c700 ≈ 1.01% of males
Deuteranopia #ebd225 ≈ 1.27% of males
Tritanopia #ffbaad ≈ 0.0001% of males
Protanomaly #e7c800 ≈ 1.08% of males
Deuteranomaly #edcf1d ≈ 4.63% of males
Tritanomaly #fbc189 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-efcb0b {
  color: #efcb0b;
}
Background
.bg-efcb0b {
  background-color: #efcb0b;
  color: #000000;
}
Border
.border-efcb0b {
  border: 2px solid #efcb0b;
}
CSS variables
:root {
  --color-primary: #efcb0b;
  --color-primary-rgb: 239 203 11;
  --color-primary-hsl: 51 91% 49%;
}
Gradient
.gradient-efcb0b {
  background: linear-gradient(135deg, #efcb0b, #a1ef0b);
}
Colored shadow
.shadow-efcb0b {
  box-shadow: 0 8px 24px rgb(239 203 11 / 0.35);
}

#f4ca16 Jonquil ΔE 1.59 #ffd300 Cyber Yellow ΔE 2.91 #ffd700 Gold ΔE 3.17 #e4d00a Citrine ΔE 4.02 #f4c430 Saffron ΔE 4.27 #ffcc33 Sunglow ΔE 4.52 #ffdf00 Golden Yellow ΔE 4.77 #1034f4 Inverted #cdcdcd Grayscale 

Jonquil
#efcb0b  rgb(239, 203, 11)  hsl(51, 91%, 49%)  Jonquil
#0b2fef  rgb(11, 47, 239)  hsl(231, 91%, 49%)  Blue
#0befcb  rgb(11, 239, 203)  hsl(171, 91%, 49%)  Turquoise
#cb0bef  rgb(203, 11, 239)  hsl(291, 91%, 49%)  Electric Purple