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#FF540B

#ff540b ≈ International Orange

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ff540b is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 100% red, 32.94% green and 4.31% blue; printed in CMYK it uses 0% cyan, 67.06% magenta, 95.69% yellow and 0% black. Its hue angle is 17.95°, with 100% saturation and 52.16% lightness in HSL. It is a warm color, often associated with enthusiasm, warmth and creativity. Designers typically use it for call-to-action buttons and food and restaurant brands. Black text on this color reaches a contrast ratio of 6.52:1 (WCAG AA). The closest named color is International Orange (#ff4f00), ΔE 0.79.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ff6600
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2762

Complementary

  1. #ff540b
  2. #0bb6ff

Split complementary

  1. #ff540b
  2. #0bffce
  3. #0b3cff

Analogous

  1. #ff0b3c
  2. #ff540b
  3. #ffce0b

Triadic

  1. #ff540b
  2. #0bff54
  3. #540bff

Tetradic

  1. #ff540b
  2. #b6ff0b
  3. #0bb6ff
  4. #540bff

Square

  1. #ff540b
  2. #3cff0b
  3. #0bb6ff
  4. #ce0bff

Monochromatic

  1. #712200
  2. #be3900
  3. #ff540b
  4. #ff8a58
  5. #ffbfa4

Shades

#ff540b mixed progressively with black.

  1. #ff540b
  2. #e64c0a
  3. #cc4309
  4. #b33b08
  5. #993207
  6. #802a06
  7. #662204
  8. #4d1903
  9. #331102
  10. #1a0801
  11. #000000

Tints

#ff540b mixed progressively with white.

  1. #ff540b
  2. #ff6523
  3. #ff763c
  4. #ff8754
  5. #ff986d
  6. #ffaa85
  7. #ffbb9d
  8. #ffccb6
  9. #ffddce
  10. #ffeee7
  11. #ffffff

Tones

#ff540b mixed progressively with gray.

  1. #ff540b
  2. #f25817
  3. #e65d22
  4. #d9612e
  5. #cc663a
  6. #c06a46
  7. #b36e51
  8. #a6735d
  9. #997769
  10. #8d7c74
  11. #808080

Readable text 3.22:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #8f8f8f ≈ 0.003% of males
Achromatomaly #c67c72 ≈ 0.001% of males
Protanopia #887700 ≈ 1.01% of males
Deuteranopia #b29e00 ≈ 1.27% of males
Tritanopia #ff0f49 ≈ 0.0001% of males
Protanomaly #c36b00 ≈ 1.08% of males
Deuteranomaly #d58600 ≈ 4.63% of males
Tritanomaly #ff3739 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ff540b {
  color: #ff540b;
}
Background
.bg-ff540b {
  background-color: #ff540b;
  color: #000000;
}
Border
.border-ff540b {
  border: 2px solid #ff540b;
}
CSS variables
:root {
  --color-primary: #ff540b;
  --color-primary-rgb: 255 84 11;
  --color-primary-hsl: 18 100% 52%;
}
Gradient
.gradient-ff540b {
  background: linear-gradient(135deg, #ff540b, #ffce0b);
}
Colored shadow
.shadow-ff540b {
  box-shadow: 0 8px 24px rgb(255 84 11 / 0.35);
}

#ff4f00 International Orange ΔE 0.79 #f94d00 Tangelo ΔE 1.84 #ff4500 Orange Red ΔE 2.51 #ec5800 Persimmon ΔE 3.94 #ff3800 Coquelicot ΔE 4.57 #e25822 Flame ΔE 5.16 #ff2800 Ferrari Red ΔE 6.53 #00abf4 Inverted #8f8f8f Grayscale 

International Orange
#ff540b  rgb(255, 84, 11)  hsl(18, 100%, 52%)  International Orange
#0bb6ff  rgb(11, 182, 255)  hsl(198, 100%, 52%)  Deep Sky Blue
#0bff54  rgb(11, 255, 84)  hsl(138, 100%, 52%)  Lime
#540bff  rgb(84, 11, 255)  hsl(258, 100%, 52%)  Han Purple