ColorTool
Log in
#EFB40D

#efb40d ≈ Amber

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
Check contrast Explore in graph Random color

#efb40d is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 70.59% green and 5.1% blue; printed in CMYK it uses 0% cyan, 24.69% magenta, 94.56% yellow and 6.27% black. Its hue angle is 44.34°, with 89.68% saturation and 49.41% 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 11.2:1 (WCAG AAA). The closest named color is Amber (#ffbf00), ΔE 3.25.

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 luminance0.5102

Complementary

  1. #efb40d
  2. #0d48ef

Split complementary

  1. #efb40d
  2. #0db9ef
  3. #430def

Analogous

  1. #ef430d
  2. #efb40d
  3. #b9ef0d

Triadic

  1. #efb40d
  2. #0defb4
  3. #b40def

Tetradic

  1. #efb40d
  2. #48ef0d
  3. #0d48ef
  4. #b40def

Square

  1. #efb40d
  2. #0def43
  3. #0d48ef
  4. #ef0db9

Monochromatic

  1. #5e4705
  2. #a67d09
  3. #efb40d
  4. #f6cb53
  5. #fae19b

Shades

#efb40d mixed progressively with black.

  1. #efb40d
  2. #d7a20c
  3. #bf900a
  4. #a77e09
  5. #8f6c08
  6. #785a07
  7. #604805
  8. #483604
  9. #302403
  10. #181201
  11. #000000

Tints

#efb40d mixed progressively with white.

  1. #efb40d
  2. #f1bc25
  3. #f2c33d
  4. #f4cb56
  5. #f5d26e
  6. #f7da86
  7. #f9e19e
  8. #fae9b6
  9. #fcf0cf
  10. #fdf8e7
  11. #ffffff

Tones

#efb40d mixed progressively with gray.

  1. #efb40d
  2. #e4af19
  3. #d9aa24
  4. #cea430
  5. #c39f3b
  6. #b89a47
  7. #ac9552
  8. #a1905e
  9. #968a69
  10. #8b8575
  11. #808080

Readable text 1.87:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 11.2:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #bdbdbd ≈ 0.003% of males
Achromatomaly #d3ba97 ≈ 0.001% of males
Protanopia #cdb400 ≈ 1.01% of males
Deuteranopia #dbc41e ≈ 1.27% of males
Tritanopia #ffa19a ≈ 0.0001% of males
Protanomaly #dbb400 ≈ 1.08% of males
Deuteranomaly #e3be19 ≈ 4.63% of males
Tritanomaly #fca97a ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-efb40d {
  color: #efb40d;
}
Background
.bg-efb40d {
  background-color: #efb40d;
  color: #000000;
}
Border
.border-efb40d {
  border: 2px solid #efb40d;
}
CSS variables
:root {
  --color-primary: #efb40d;
  --color-primary-rgb: 239 180 13;
  --color-primary-hsl: 44 90% 49%;
}
Gradient
.gradient-efb40d {
  background: linear-gradient(135deg, #efb40d, #b9ef0d);
}
Colored shadow
.shadow-efb40d {
  box-shadow: 0 8px 24px rgb(239 180 13 / 0.35);
}

#ffbf00 Amber ΔE 3.25 #e5b73b Meat Brown ΔE 3.68 #fcc200 Golden Poppy ΔE 3.76 #ffc40c Mikado Yellow ΔE 4.17 #f4c430 Saffron ΔE 4.52 #daa520 Goldenrod ΔE 4.84 #ffcc33 Sunglow ΔE 5.96 #104bf2 Inverted #bdbdbd Grayscale 

Amber
#efb40d  rgb(239, 180, 13)  hsl(44, 90%, 49%)  Amber
#0d48ef  rgb(13, 72, 239)  hsl(224, 90%, 49%)  Iris
#0defb4  rgb(13, 239, 180)  hsl(164, 90%, 49%)  Aquamarine
#b40def  rgb(180, 13, 239)  hsl(284, 90%, 49%)  Electric Purple