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#EF511D

#ef511d ≈ Flame

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef511d is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 31.76% green and 11.37% blue; printed in CMYK it uses 0% cyan, 66.11% magenta, 87.87% yellow and 6.27% black. Its hue angle is 14.86°, with 86.78% saturation and 52.55% 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 5.86:1 (WCAG AA). The closest named color is Flame (#e25822), ΔE 2.48.

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 luminance0.2432

Complementary

  1. #ef511d
  2. #1dbbef

Split complementary

  1. #ef511d
  2. #1defba
  3. #1d52ef

Analogous

  1. #ef1d52
  2. #ef511d
  3. #efba1d

Triadic

  1. #ef511d
  2. #1def51
  3. #511def

Tetradic

  1. #ef511d
  2. #bbef1d
  3. #1dbbef
  4. #511def

Square

  1. #ef511d
  2. #52ef1d
  3. #1dbbef
  4. #ba1def

Monochromatic

  1. #6b2008
  2. #b3360d
  3. #ef511d
  4. #f48864
  5. #f9bfac

Shades

#ef511d mixed progressively with black.

  1. #ef511d
  2. #d7491a
  3. #bf4117
  4. #a73914
  5. #8f3111
  6. #78290f
  7. #60200c
  8. #481809
  9. #301006
  10. #180803
  11. #000000

Tints

#ef511d mixed progressively with white.

  1. #ef511d
  2. #f16234
  3. #f2744a
  4. #f48561
  5. #f59777
  6. #f7a88e
  7. #f9b9a5
  8. #facbbb
  9. #fcdcd2
  10. #fdeee8
  11. #ffffff

Tones

#ef511d mixed progressively with gray.

  1. #ef511d
  2. #e45627
  3. #d95a31
  4. #ce5f3b
  5. #c36445
  6. #b8694f
  7. #ac6d58
  8. #a17262
  9. #96776c
  10. #8b7b76
  11. #808080

Readable text 3.58:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.86:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #ba756c ≈ 0.001% of males
Protanopia #807111 ≈ 1.01% of males
Deuteranopia #a79410 ≈ 1.27% of males
Tritanopia #ff1b48 ≈ 0.0001% of males
Protanomaly #b76616 ≈ 1.08% of males
Deuteranomaly #c87f16 ≈ 4.63% of males
Tritanomaly #fe383b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-ef511d {
  color: #ef511d;
}
Background
.bg-ef511d {
  background-color: #ef511d;
  color: #000000;
}
Border
.border-ef511d {
  border: 2px solid #ef511d;
}
CSS variables
:root {
  --color-primary: #ef511d;
  --color-primary-rgb: 239 81 29;
  --color-primary-hsl: 15 87% 53%;
}
Gradient
.gradient-ef511d {
  background: linear-gradient(135deg, #ef511d, #efba1d);
}
Colored shadow
.shadow-ef511d {
  box-shadow: 0 8px 24px rgb(239 81 29 / 0.35);
}

#e25822 Flame ΔE 2.48 #f94d00 Tangelo ΔE 2.66 #ff4500 Orange Red ΔE 2.83 #ff3800 Coquelicot ΔE 3.37 #ff4f00 International Orange ΔE 3.51 #ec5800 Persimmon ΔE 4.44 #ff2800 Ferrari Red ΔE 4.71 #10aee2 Inverted #878787 Grayscale 

Flame
#ef511d  rgb(239, 81, 29)  hsl(15, 87%, 53%)  Flame
#1dbbef  rgb(29, 187, 239)  hsl(195, 87%, 53%)  Deep Sky Blue
#1def51  rgb(29, 239, 81)  hsl(135, 87%, 53%)  Malachite
#511def  rgb(81, 29, 239)  hsl(255, 87%, 53%)  Han Purple