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#EFCA00

#efca00 ≈ Jonquil

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#efca00 is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 79.22% green and 0% blue; printed in CMYK it uses 0% cyan, 15.48% magenta, 100% yellow and 6.27% black. Its hue angle is 50.71°, with 100% saturation and 46.86% 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 13.12:1 (WCAG AAA). The closest named color is Jonquil (#f4ca16), ΔE 1.43.

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 luminance0.6059

Complementary

  1. #efca00
  2. #0025ef

Split complementary

  1. #efca00
  2. #009cef
  3. #5200ef

Analogous

  1. #ef5200
  2. #efca00
  3. #9cef00

Triadic

  1. #efca00
  2. #00efca
  3. #ca00ef

Tetradic

  1. #efca00
  2. #25ef00
  3. #0025ef
  4. #ca00ef

Square

  1. #efca00
  2. #00ef52
  3. #0025ef
  4. #ef009c

Monochromatic

  1. #564900
  2. #a28900
  3. #efca00
  4. #ffe13c
  5. #ffed89

Shades

#efca00 mixed progressively with black.

  1. #efca00
  2. #d7b600
  3. #bfa200
  4. #a78d00
  5. #8f7900
  6. #786500
  7. #605100
  8. #483d00
  9. #302800
  10. #181400
  11. #000000

Tints

#efca00 mixed progressively with white.

  1. #efca00
  2. #f1cf1a
  3. #f2d533
  4. #f4da4d
  5. #f5df66
  6. #f7e580
  7. #f9ea99
  8. #faefb3
  9. #fcf4cc
  10. #fdfae6
  11. #ffffff

Tones

#efca00 mixed progressively with gray.

  1. #efca00
  2. #e4c30d
  3. #d9bb1a
  4. #ceb426
  5. #c3ac33
  6. #b8a540
  7. #ac9e4d
  8. #a1965a
  9. #968f66
  10. #8b8773
  11. #808080

Readable text 1.6:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.12:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #cccccc ≈ 0.003% of males
Achromatomaly #dbcba2 ≈ 0.001% of males
Protanopia #e1c600 ≈ 1.01% of males
Deuteranopia #ead121 ≈ 1.27% of males
Tritanopia #ffb8ac ≈ 0.0001% of males
Protanomaly #e7c700 ≈ 1.08% of males
Deuteranomaly #ecce18 ≈ 4.63% of males
Tritanomaly #fbc088 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-efca00 {
  color: #efca00;
}
Background
.bg-efca00 {
  background-color: #efca00;
  color: #000000;
}
Border
.border-efca00 {
  border: 2px solid #efca00;
}
CSS variables
:root {
  --color-primary: #efca00;
  --color-primary-rgb: 239 202 0;
  --color-primary-hsl: 51 100% 47%;
}
Gradient
.gradient-efca00 {
  background: linear-gradient(135deg, #efca00, #9cef00);
}
Colored shadow
.shadow-efca00 {
  box-shadow: 0 8px 24px rgb(239 202 0 / 0.35);
}

#f4ca16 Jonquil ΔE 1.43 #ffd300 Cyber Yellow ΔE 2.90 #ffd700 Gold ΔE 3.27 #f4c430 Saffron ΔE 4.11 #e4d00a Citrine ΔE 4.29 #ffcc33 Sunglow ΔE 4.41 #ffdf00 Golden Yellow ΔE 4.98 #1035ff Inverted #cccccc Grayscale 

Jonquil
#efca00  rgb(239, 202, 0)  hsl(51, 100%, 47%)  Jonquil
#0025ef  rgb(0, 37, 239)  hsl(231, 100%, 47%)  Blue
#00efca  rgb(0, 239, 202)  hsl(171, 100%, 47%)  Aquamarine
#ca00ef  rgb(202, 0, 239)  hsl(291, 100%, 47%)  Electric Purple