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#FC581F

#fc581f ≈ International Orange

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#fc581f is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 98.82% red, 34.51% green and 12.16% blue; printed in CMYK it uses 0% cyan, 65.08% magenta, 87.7% yellow and 1.18% black. Its hue angle is 15.48°, with 97.36% saturation and 55.49% 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 6.55:1 (WCAG AA). The closest named color is International Orange (#ff4f00), ΔE 2.1.

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 luminance0.2777

Complementary

  1. #fc581f
  2. #1fc3fc

Split complementary

  1. #fc581f
  2. #1ffcc7
  3. #1f54fc

Analogous

  1. #fc1f54
  2. #fc581f
  3. #fcc71f

Triadic

  1. #fc581f
  2. #1ffc58
  3. #581ffc

Tetradic

  1. #fc581f
  2. #c3fc1f
  3. #1fc3fc
  4. #581ffc

Square

  1. #fc581f
  2. #54fc1f
  3. #1fc3fc
  4. #c71ffc

Monochromatic

  1. #802202
  2. #cc3703
  3. #fc581f
  4. #fd906a
  5. #fec9b6

Shades

#fc581f mixed progressively with black.

  1. #fc581f
  2. #e34f1c
  3. #ca4619
  4. #b03e16
  5. #973513
  6. #7e2c10
  7. #65230c
  8. #4c1a09
  9. #321206
  10. #190903
  11. #000000

Tints

#fc581f mixed progressively with white.

  1. #fc581f
  2. #fc6935
  3. #fd794c
  4. #fd8a62
  5. #fd9b79
  6. #feac8f
  7. #febca5
  8. #fecdbc
  9. #feded2
  10. #ffeee9
  11. #ffffff

Tones

#fc581f mixed progressively with gray.

  1. #fc581f
  2. #f05c29
  3. #e36032
  4. #d7643c
  5. #ca6846
  6. #be6c50
  7. #b27059
  8. #a57463
  9. #99786d
  10. #8c7c76
  11. #808080

Readable text 3.2:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.55:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #909090 ≈ 0.003% of males
Achromatomaly #c57d73 ≈ 0.001% of males
Protanopia #887912 ≈ 1.01% of males
Deuteranopia #b19d12 ≈ 1.27% of males
Tritanopia #ff234e ≈ 0.0001% of males
Protanomaly #c26d18 ≈ 1.08% of males
Deuteranomaly #d38718 ≈ 4.63% of males
Tritanomaly #ff3f40 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-fc581f {
  color: #fc581f;
}
Background
.bg-fc581f {
  background-color: #fc581f;
  color: #000000;
}
Border
.border-fc581f {
  border: 2px solid #fc581f;
}
CSS variables
:root {
  --color-primary: #fc581f;
  --color-primary-rgb: 252 88 31;
  --color-primary-hsl: 15 97% 55%;
}
Gradient
.gradient-fc581f {
  background: linear-gradient(135deg, #fc581f, #fcc71f);
}
Colored shadow
.shadow-fc581f {
  box-shadow: 0 8px 24px rgb(252 88 31 / 0.35);
}

#ff4f00 International Orange ΔE 2.10 #f94d00 Tangelo ΔE 2.59 #ff4500 Orange Red ΔE 2.76 #ff3800 Coquelicot ΔE 4.42 #e25822 Flame ΔE 4.72 #ec5800 Persimmon ΔE 4.72 #ff2800 Ferrari Red ΔE 6.22 #03a7e0 Inverted #909090 Grayscale 

International Orange
#fc581f  rgb(252, 88, 31)  hsl(15, 97%, 55%)  International Orange
#1fc3fc  rgb(31, 195, 252)  hsl(195, 97%, 55%)  Deep Sky Blue
#1ffc58  rgb(31, 252, 88)  hsl(135, 97%, 55%)  Spring Green
#581ffc  rgb(88, 31, 252)  hsl(255, 97%, 55%)  Han Purple