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#EF501F

#ef501f ≈ Flame

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef501f is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 31.37% green and 12.16% blue; printed in CMYK it uses 0% cyan, 66.53% magenta, 87.03% yellow and 6.27% black. Its hue angle is 14.13°, with 86.67% saturation and 52.94% 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 5.84:1 (WCAG AA). The closest named color is Flame (#e25822), ΔE 2.71.

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 luminance0.2419

Complementary

  1. #ef501f
  2. #1fbeef

Split complementary

  1. #ef501f
  2. #1fefb8
  3. #1f56ef

Analogous

  1. #ef1f56
  2. #ef501f
  3. #efb81f

Triadic

  1. #ef501f
  2. #1fef50
  3. #501fef

Tetradic

  1. #ef501f
  2. #beef1f
  3. #1fbeef
  4. #501fef

Square

  1. #ef501f
  2. #56ef1f
  3. #1fbeef
  4. #b81fef

Monochromatic

  1. #6d2008
  2. #b5340d
  3. #ef501f
  4. #f48866
  5. #f9c0ae

Shades

#ef501f mixed progressively with black.

  1. #ef501f
  2. #d7481c
  3. #bf4019
  4. #a73816
  5. #8f3013
  6. #782810
  7. #60200c
  8. #481809
  9. #301006
  10. #180803
  11. #000000

Tints

#ef501f mixed progressively with white.

  1. #ef501f
  2. #f16235
  3. #f2734c
  4. #f48562
  5. #f59679
  6. #f7a88f
  7. #f9b9a5
  8. #facbbc
  9. #fcdcd2
  10. #fdeee9
  11. #ffffff

Tones

#ef501f mixed progressively with gray.

  1. #ef501f
  2. #e45529
  3. #d95a32
  4. #ce5e3c
  5. #c36346
  6. #b86850
  7. #ac6d59
  8. #a17263
  9. #96766d
  10. #8b7b76
  11. #808080

Readable text 3.6:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.84:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #ba756c ≈ 0.001% of males
Protanopia #7f7014 ≈ 1.01% of males
Deuteranopia #a69413 ≈ 1.27% of males
Tritanopia #ff1847 ≈ 0.0001% of males
Protanomaly #b76519 ≈ 1.08% of males
Deuteranomaly #c87e18 ≈ 4.63% of males
Tritanomaly #fe363b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-ef501f {
  color: #ef501f;
}
Background
.bg-ef501f {
  background-color: #ef501f;
  color: #000000;
}
Border
.border-ef501f {
  border: 2px solid #ef501f;
}
CSS variables
:root {
  --color-primary: #ef501f;
  --color-primary-rgb: 239 80 31;
  --color-primary-hsl: 14 87% 53%;
}
Gradient
.gradient-ef501f {
  background: linear-gradient(135deg, #ef501f, #efb81f);
}
Colored shadow
.shadow-ef501f {
  box-shadow: 0 8px 24px rgb(239 80 31 / 0.35);
}

#e25822 Flame ΔE 2.71 #ff4500 Orange Red ΔE 3.00 #f94d00 Tangelo ΔE 3.07 #ff3800 Coquelicot ΔE 3.24 #ff4f00 International Orange ΔE 3.87 #ff2800 Ferrari Red ΔE 4.43 #ff2400 Scarlet ΔE 4.73 #10afe0 Inverted #878787 Grayscale 

Flame
#ef501f  rgb(239, 80, 31)  hsl(14, 87%, 53%)  Flame
#1fbeef  rgb(31, 190, 239)  hsl(194, 87%, 53%)  Deep Sky Blue
#1fef50  rgb(31, 239, 80)  hsl(134, 87%, 53%)  Malachite
#501fef  rgb(80, 31, 239)  hsl(254, 87%, 53%)  Han Purple