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#FF581E

#ff581e ≈ International Orange

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ff581e is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 100% red, 34.51% green and 11.76% blue; printed in CMYK it uses 0% cyan, 65.49% magenta, 88.24% yellow and 0% black. Its hue angle is 15.47°, with 100% saturation and 55.88% 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 6.67:1 (WCAG AA). The closest named color is International Orange (#ff4f00), ΔE 2.12.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ff6633
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2833

Complementary

  1. #ff581e
  2. #1ec5ff

Split complementary

  1. #ff581e
  2. #1effc9
  3. #1e54ff

Analogous

  1. #ff1e54
  2. #ff581e
  3. #ffc91e

Triadic

  1. #ff581e
  2. #1eff58
  3. #581eff

Tetradic

  1. #ff581e
  2. #c5ff1e
  3. #1ec5ff
  4. #581eff

Square

  1. #ff581e
  2. #54ff1e
  3. #1ec5ff
  4. #c91eff

Monochromatic

  1. #842200
  2. #d03600
  3. #ff581e
  4. #ff916a
  5. #ffcab7

Shades

#ff581e mixed progressively with black.

  1. #ff581e
  2. #e64f1b
  3. #cc4618
  4. #b33e15
  5. #993512
  6. #802c0f
  7. #66230c
  8. #4d1a09
  9. #331206
  10. #1a0903
  11. #000000

Tints

#ff581e mixed progressively with white.

  1. #ff581e
  2. #ff6935
  3. #ff794b
  4. #ff8a62
  5. #ff9b78
  6. #ffac8f
  7. #ffbca5
  8. #ffcdbc
  9. #ffded2
  10. #ffeee9
  11. #ffffff

Tones

#ff581e mixed progressively with gray.

  1. #ff581e
  2. #f25c28
  3. #e66032
  4. #d9643b
  5. #cc6845
  6. #c06c4f
  7. #b37059
  8. #a67463
  9. #99786c
  10. #8d7c76
  11. #808080

Readable text 3.15:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.67:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #919191 ≈ 0.003% of males
Achromatomaly #c77e74 ≈ 0.001% of males
Protanopia #8a7910 ≈ 1.01% of males
Deuteranopia #b39f0f ≈ 1.27% of males
Tritanopia #ff204e ≈ 0.0001% of males
Protanomaly #c46e16 ≈ 1.08% of males
Deuteranomaly #d68816 ≈ 4.63% of males
Tritanomaly #ff3e40 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ff581e {
  color: #ff581e;
}
Background
.bg-ff581e {
  background-color: #ff581e;
  color: #000000;
}
Border
.border-ff581e {
  border: 2px solid #ff581e;
}
CSS variables
:root {
  --color-primary: #ff581e;
  --color-primary-rgb: 255 88 30;
  --color-primary-hsl: 15 100% 56%;
}
Gradient
.gradient-ff581e {
  background: linear-gradient(135deg, #ff581e, #ffc91e);
}
Colored shadow
.shadow-ff581e {
  box-shadow: 0 8px 24px rgb(255 88 30 / 0.35);
}

#ff4f00 International Orange ΔE 2.12 #f94d00 Tangelo ΔE 2.84 #ff4500 Orange Red ΔE 2.91 #ff3800 Coquelicot ΔE 4.61 #ec5800 Persimmon ΔE 5.01 #e25822 Flame ΔE 5.23 #ff2800 Ferrari Red ΔE 6.42 #00a7e1 Inverted #919191 Grayscale 

International Orange
#ff581e  rgb(255, 88, 30)  hsl(15, 100%, 56%)  International Orange
#1ec5ff  rgb(30, 197, 255)  hsl(195, 100%, 56%)  Deep Sky Blue
#1eff58  rgb(30, 255, 88)  hsl(135, 100%, 56%)  Lime
#581eff  rgb(88, 30, 255)  hsl(255, 100%, 56%)  Han Purple