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#EF591B

#ef591b ≈ Tangelo

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef591b is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 34.9% green and 10.59% blue; printed in CMYK it uses 0% cyan, 62.76% magenta, 88.7% yellow and 6.27% black. Its hue angle is 17.55°, with 86.89% 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 6.11:1 (WCAG AA). The closest named color is Tangelo (#f94d00), ΔE 2.2.

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 luminance0.2557

Complementary

  1. #ef591b
  2. #1bb1ef

Split complementary

  1. #ef591b
  2. #1befc3
  3. #1b47ef

Analogous

  1. #ef1b47
  2. #ef591b
  3. #efc31b

Triadic

  1. #ef591b
  2. #1bef59
  3. #591bef

Tetradic

  1. #ef591b
  2. #b1ef1b
  3. #1bb1ef
  4. #591bef

Square

  1. #ef591b
  2. #47ef1b
  3. #1bb1ef
  4. #c31bef

Monochromatic

  1. #6a2407
  2. #b13d0c
  3. #ef591b
  4. #f48d62
  5. #f9c1aa

Shades

#ef591b mixed progressively with black.

  1. #ef591b
  2. #d75018
  3. #bf4716
  4. #a73e13
  5. #8f3510
  6. #782d0e
  7. #60240b
  8. #481b08
  9. #301205
  10. #180903
  11. #000000

Tints

#ef591b mixed progressively with white.

  1. #ef591b
  2. #f16a32
  3. #f27a49
  4. #f48b5f
  5. #f59b76
  6. #f7ac8d
  7. #f9bda4
  8. #facdbb
  9. #fcded1
  10. #fdeee8
  11. #ffffff

Tones

#ef591b mixed progressively with gray.

  1. #ef591b
  2. #e45d25
  3. #d9612f
  4. #ce6539
  5. #c36943
  6. #b86d4e
  7. #ac7058
  8. #a17462
  9. #96786c
  10. #8b7c76
  11. #808080

Readable text 3.43:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.11:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #8a8a8a ≈ 0.003% of males
Achromatomaly #bb7a6f ≈ 0.001% of males
Protanopia #85750b ≈ 1.01% of males
Deuteranopia #aa970f ≈ 1.27% of males
Tritanopia #ff2e4e ≈ 0.0001% of males
Protanomaly #b96b13 ≈ 1.08% of males
Deuteranomaly #c98314 ≈ 4.63% of males
Tritanomaly #fe433f ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ef591b {
  color: #ef591b;
}
Background
.bg-ef591b {
  background-color: #ef591b;
  color: #000000;
}
Border
.border-ef591b {
  border: 2px solid #ef591b;
}
CSS variables
:root {
  --color-primary: #ef591b;
  --color-primary-rgb: 239 89 27;
  --color-primary-hsl: 18 87% 52%;
}
Gradient
.gradient-ef591b {
  background: linear-gradient(135deg, #ef591b, #efc31b);
}
Colored shadow
.shadow-ef591b {
  box-shadow: 0 8px 24px rgb(239 89 27 / 0.35);
}

#f94d00 Tangelo ΔE 2.20 #e25822 Flame ΔE 2.60 #ec5800 Persimmon ΔE 2.63 #ff4f00 International Orange ΔE 2.75 #ff4500 Orange Red ΔE 3.42 #ff3800 Coquelicot ΔE 4.93 #ff2800 Ferrari Red ΔE 6.63 #10a6e4 Inverted #8a8a8a Grayscale 

Tangelo
#ef591b  rgb(239, 89, 27)  hsl(18, 87%, 52%)  Tangelo
#1bb1ef  rgb(27, 177, 239)  hsl(198, 87%, 52%)  Deep Sky Blue
#1bef59  rgb(27, 239, 89)  hsl(138, 87%, 52%)  Spring Green
#591bef  rgb(89, 27, 239)  hsl(258, 87%, 52%)  Han Purple