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#EFB303

#efb303 ≈ Amber

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#efb303 is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 70.2% green and 1.18% blue; printed in CMYK it uses 0% cyan, 25.1% magenta, 98.74% yellow and 6.27% black. Its hue angle is 44.75°, 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 11.12:1 (WCAG AAA). The closest named color is Amber (#ffbf00), ΔE 3.35.

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 luminance0.506

Complementary

  1. #efb303
  2. #033fef

Split complementary

  1. #efb303
  2. #03b5ef
  3. #3d03ef

Analogous

  1. #ef3d03
  2. #efb303
  3. #b5ef03

Triadic

  1. #efb303
  2. #03efb3
  3. #b303ef

Tetradic

  1. #efb303
  2. #3fef03
  3. #033fef
  4. #b303ef

Square

  1. #efb303
  2. #03ef3d
  3. #033fef
  4. #ef03b5

Monochromatic

  1. #584201
  2. #a37a02
  3. #efb303
  4. #fdcd42
  5. #fee18d

Shades

#efb303 mixed progressively with black.

  1. #efb303
  2. #d7a103
  3. #bf8f02
  4. #a77d02
  5. #8f6b02
  6. #785a02
  7. #604801
  8. #483601
  9. #302401
  10. #181200
  11. #000000

Tints

#efb303 mixed progressively with white.

  1. #efb303
  2. #f1bb1c
  3. #f2c235
  4. #f4ca4f
  5. #f5d168
  6. #f7d981
  7. #f9e19a
  8. #fae8b3
  9. #fcf0cd
  10. #fdf7e6
  11. #ffffff

Tones

#efb303 mixed progressively with gray.

  1. #efb303
  2. #e4ae10
  3. #d9a91c
  4. #cea429
  5. #c39f35
  6. #b89a42
  7. #ac944e
  8. #a18f5b
  9. #968a67
  10. #8b8574
  11. #808080

Readable text 1.89:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 11.12:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #bdbdbd ≈ 0.003% of males
Achromatomaly #d3b996 ≈ 0.001% of males
Protanopia #ccb300 ≈ 1.01% of males
Deuteranopia #dbc31a ≈ 1.27% of males
Tritanopia #ffa098 ≈ 0.0001% of males
Protanomaly #dbb300 ≈ 1.08% of males
Deuteranomaly #e3bd13 ≈ 4.63% of males
Tritanomaly #fca879 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-efb303 {
  color: #efb303;
}
Background
.bg-efb303 {
  background-color: #efb303;
  color: #000000;
}
Border
.border-efb303 {
  border: 2px solid #efb303;
}
CSS variables
:root {
  --color-primary: #efb303;
  --color-primary-rgb: 239 179 3;
  --color-primary-hsl: 45 98% 47%;
}
Gradient
.gradient-efb303 {
  background: linear-gradient(135deg, #efb303, #b5ef03);
}
Colored shadow
.shadow-efb303 {
  box-shadow: 0 8px 24px rgb(239 179 3 / 0.35);
}

#ffbf00 Amber ΔE 3.35 #fcc200 Golden Poppy ΔE 3.95 #e5b73b Meat Brown ΔE 3.95 #ffc40c Mikado Yellow ΔE 4.35 #daa520 Goldenrod ΔE 4.77 #f4c430 Saffron ΔE 4.83 #ffcc33 Sunglow ΔE 6.23 #104cfc Inverted #bdbdbd Grayscale 

Amber
#efb303  rgb(239, 179, 3)  hsl(45, 98%, 47%)  Amber
#033fef  rgb(3, 63, 239)  hsl(225, 98%, 47%)  Persian Blue
#03efb3  rgb(3, 239, 179)  hsl(165, 98%, 47%)  Medium Spring Green
#b303ef  rgb(179, 3, 239)  hsl(285, 98%, 47%)  Electric Purple