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#FF661D

#ff661d ≈ International Orange

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ff661d is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 100% red, 40% green and 11.37% blue; printed in CMYK it uses 0% cyan, 60% magenta, 88.63% yellow and 0% black. Its hue angle is 19.38°, with 100% saturation and 55.69% 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 7.17:1 (WCAG AAA). The closest named color is International Orange (#ff4f00), ΔE 4.11.

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 luminance0.3085

Complementary

  1. #ff661d
  2. #1db6ff

Split complementary

  1. #ff661d
  2. #1dffd7
  3. #1d45ff

Analogous

  1. #ff1d45
  2. #ff661d
  3. #ffd71d

Triadic

  1. #ff661d
  2. #1dff66
  3. #661dff

Tetradic

  1. #ff661d
  2. #b6ff1d
  3. #1db6ff
  4. #661dff

Square

  1. #ff661d
  2. #45ff1d
  3. #1db6ff
  4. #d71dff

Monochromatic

  1. #832a00
  2. #d04300
  3. #ff661d
  4. #ff9a6a
  5. #ffceb6

Shades

#ff661d mixed progressively with black.

  1. #ff661d
  2. #e65c1a
  3. #cc5217
  4. #b34714
  5. #993d11
  6. #80330f
  7. #66290c
  8. #4d1f09
  9. #331406
  10. #1a0a03
  11. #000000

Tints

#ff661d mixed progressively with white.

  1. #ff661d
  2. #ff7534
  3. #ff854a
  4. #ff9461
  5. #ffa377
  6. #ffb38e
  7. #ffc2a5
  8. #ffd1bb
  9. #ffe0d2
  10. #fff0e8
  11. #ffffff

Tones

#ff661d mixed progressively with gray.

  1. #ff661d
  2. #f26927
  3. #e66b31
  4. #d96e3b
  5. #cc7045
  6. #c0734f
  7. #b37658
  8. #a67862
  9. #997b6c
  10. #8d7d76
  11. #808080

Readable text 2.93:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 7.17:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #979797 ≈ 0.003% of males
Achromatomaly #c98679 ≈ 0.001% of males
Protanopia #938109 ≈ 1.01% of males
Deuteranopia #b8a411 ≈ 1.27% of males
Tritanopia #ff3d59 ≈ 0.0001% of males
Protanomaly #c77713 ≈ 1.08% of males
Deuteranomaly #d88f17 ≈ 4.63% of males
Tritanomaly #ff5148 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-ff661d {
  color: #ff661d;
}
Background
.bg-ff661d {
  background-color: #ff661d;
  color: #000000;
}
Border
.border-ff661d {
  border: 2px solid #ff661d;
}
CSS variables
:root {
  --color-primary: #ff661d;
  --color-primary-rgb: 255 102 29;
  --color-primary-hsl: 19 100% 56%;
}
Gradient
.gradient-ff661d {
  background: linear-gradient(135deg, #ff661d, #ffd71d);
}
Colored shadow
.shadow-ff661d {
  box-shadow: 0 8px 24px rgb(255 102 29 / 0.35);
}

#ff4f00 International Orange ΔE 4.11 #ff7518 Pumpkin ΔE 4.70 #ec5800 Persimmon ΔE 4.95 #f94d00 Tangelo ΔE 4.96 #ff8243 Mango Tango ΔE 5.83 #ff4500 Orange Red ΔE 5.89 #ff7f50 Coral ΔE 6.53 #0099e2 Inverted #979797 Grayscale 

International Orange
#ff661d  rgb(255, 102, 29)  hsl(19, 100%, 56%)  International Orange
#1db6ff  rgb(29, 182, 255)  hsl(199, 100%, 56%)  Deep Sky Blue
#1dff66  rgb(29, 255, 102)  hsl(139, 100%, 56%)  Spring Green
#661dff  rgb(102, 29, 255)  hsl(259, 100%, 56%)  Electric Indigo