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#EF4F23

#ef4f23 ≈ Flame

  • orange
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef4f23 is a color from the orange family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 30.98% green and 13.73% blue; printed in CMYK it uses 0% cyan, 66.95% magenta, 85.36% yellow and 6.27% black. Its hue angle is 12.94°, with 86.44% saturation and 53.73% 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 5.81:1 (WCAG AA). The closest named color is Flame (#e25822), ΔE 3.24.

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 luminance0.2406

Complementary

  1. #ef4f23
  2. #23c3ef

Split complementary

  1. #ef4f23
  2. #23efb5
  3. #235def

Analogous

  1. #ef235d
  2. #ef4f23
  3. #efb523

Triadic

  1. #ef4f23
  2. #23ef4f
  3. #4f23ef

Tetradic

  1. #ef4f23
  2. #c3ef23
  3. #23c3ef
  4. #4f23ef

Square

  1. #ef4f23
  2. #5def23
  3. #23c3ef
  4. #b523ef

Monochromatic

  1. #711f08
  2. #b8320d
  3. #ef4f23
  4. #f4886a
  5. #f9c1b2

Shades

#ef4f23 mixed progressively with black.

  1. #ef4f23
  2. #d74720
  3. #bf3f1c
  4. #a73719
  5. #8f2f15
  6. #782812
  7. #60200e
  8. #48180b
  9. #301007
  10. #180804
  11. #000000

Tints

#ef4f23 mixed progressively with white.

  1. #ef4f23
  2. #f16139
  3. #f2724f
  4. #f48465
  5. #f5957b
  6. #f7a791
  7. #f9b9a7
  8. #facabd
  9. #fcdcd3
  10. #fdede9
  11. #ffffff

Tones

#ef4f23 mixed progressively with gray.

  1. #ef4f23
  2. #e4542c
  3. #d95936
  4. #ce5e3f
  5. #c36348
  6. #b86852
  7. #ac6c5b
  8. #a17164
  9. #96766d
  10. #8b7b77
  11. #808080

Readable text 3.61:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.81:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #ba746c ≈ 0.001% of males
Protanopia #7e701a ≈ 1.01% of males
Deuteranopia #a69419 ≈ 1.27% of males
Tritanopia #ff1547 ≈ 0.0001% of males
Protanomaly #b7641e ≈ 1.08% of males
Deuteranomaly #c77e1d ≈ 4.63% of males
Tritanomaly #fe353c ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-ef4f23 {
  color: #ef4f23;
}
Background
.bg-ef4f23 {
  background-color: #ef4f23;
  color: #000000;
}
Border
.border-ef4f23 {
  border: 2px solid #ef4f23;
}
CSS variables
:root {
  --color-primary: #ef4f23;
  --color-primary-rgb: 239 79 35;
  --color-primary-hsl: 13 86% 54%;
}
Gradient
.gradient-ef4f23 {
  background: linear-gradient(135deg, #ef4f23, #efb523);
}
Colored shadow
.shadow-ef4f23 {
  box-shadow: 0 8px 24px rgb(239 79 35 / 0.35);
}

#e25822 Flame ΔE 3.24 #ff3800 Coquelicot ΔE 3.29 #ff4500 Orange Red ΔE 3.48 #f94d00 Tangelo ΔE 3.83 #ff2800 Ferrari Red ΔE 4.16 #ff2400 Scarlet ΔE 4.42 #ff4f00 International Orange ΔE 4.54 #10b0dc Inverted #878787 Grayscale 

Flame
#ef4f23  rgb(239, 79, 35)  hsl(13, 86%, 54%)  Flame
#23c3ef  rgb(35, 195, 239)  hsl(193, 86%, 54%)  Deep Sky Blue
#23ef4f  rgb(35, 239, 79)  hsl(133, 86%, 54%)  Malachite
#4f23ef  rgb(79, 35, 239)  hsl(253, 86%, 54%)  Han Purple