ColorTool
Log in
#A45F3F

#a45f3f ≈ Sienna

  • orange
  • Lightness: medium
  • Saturation: moderate
  • Warm
Check contrast Explore in graph Random color

#a45f3f is a color from the orange family, with medium lightness and moderate saturation. In the RGB model it is made of 64.31% red, 37.25% green and 24.71% blue; printed in CMYK it uses 0% cyan, 42.07% magenta, 61.59% yellow and 35.69% black. Its hue angle is 19.01°, with 44.49% saturation and 44.51% lightness in HSL. It is a warm color, often associated with enthusiasm, warmth and creativity. Designers typically use it for call-to-action buttons, food and restaurant brands and brand accents. White text on this color reaches a contrast ratio of 4.9:1 (WCAG AA). The closest named color is Sienna (#a0522d), ΔE 4.31.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#996633
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1644

Complementary

  1. #a45f3f
  2. #3f84a4

Split complementary

  1. #a45f3f
  2. #3fa491
  3. #3f52a4

Analogous

  1. #a43f52
  2. #a45f3f
  3. #a4913f

Triadic

  1. #a45f3f
  2. #3fa45f
  3. #5f3fa4

Tetradic

  1. #a45f3f
  2. #84a43f
  3. #3f84a4
  4. #5f3fa4

Square

  1. #a45f3f
  2. #52a43f
  3. #3f84a4
  4. #913fa4

Monochromatic

  1. #351f15
  2. #6d3f2a
  3. #a45f3f
  4. #c6876a
  5. #dbb3a1

Shades

#a45f3f mixed progressively with black.

  1. #a45f3f
  2. #945639
  3. #834c32
  4. #73432c
  5. #623926
  6. #523020
  7. #422619
  8. #311d13
  9. #21130d
  10. #100a06
  11. #000000

Tints

#a45f3f mixed progressively with white.

  1. #a45f3f
  2. #ad6f52
  3. #b67f65
  4. #bf8f79
  5. #c89f8c
  6. #d2af9f
  7. #dbbfb2
  8. #e4cfc5
  9. #eddfd9
  10. #f6efec
  11. #ffffff

Tones

#a45f3f mixed progressively with gray.

  1. #a45f3f
  2. #a06246
  3. #9d664c
  4. #996953
  5. #966c59
  6. #927060
  7. #8e7366
  8. #8b766d
  9. #877973
  10. #847d7a
  11. #808080

Readable text 4.9:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.29:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #717171 ≈ 0.003% of males
Achromatomaly #886a61 ≈ 0.001% of males
Protanopia #72683c ≈ 1.01% of males
Deuteranopia #82773e ≈ 1.27% of males
Tritanopia #b35257 ≈ 0.0001% of males
Protanomaly #89643d ≈ 1.08% of males
Deuteranomaly #916e3f ≈ 4.63% of males
Tritanomaly #ad584f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-a45f3f {
  color: #a45f3f;
}
Background
.bg-a45f3f {
  background-color: #a45f3f;
  color: #ffffff;
}
Border
.border-a45f3f {
  border: 2px solid #a45f3f;
}
CSS variables
:root {
  --color-primary: #a45f3f;
  --color-primary-rgb: 164 95 63;
  --color-primary-hsl: 19 44% 45%;
}
Gradient
.gradient-a45f3f {
  background: linear-gradient(135deg, #a45f3f, #a4913f);
}
Colored shadow
.shadow-a45f3f {
  box-shadow: 0 8px 24px rgb(164 95 63 / 0.35);
}

#a0522d Sienna ΔE 4.31 #a45a52 Redwood ΔE 8.89 #b7410e Rust ΔE 9.31 #954535 Chestnut ΔE 9.65 #c04000 Mahogany ΔE 10.28 #8b4513 Saddle Brown ΔE 10.39 #a67b5b Cafe au Lait ΔE 10.42 #5ba0c0 Inverted #717171 Grayscale 

Sienna
#a45f3f  rgb(164, 95, 63)  hsl(19, 44%, 45%)  Sienna
#3f84a4  rgb(63, 132, 164)  hsl(199, 44%, 45%)  Air Force Blue
#3fa45f  rgb(63, 164, 95)  hsl(139, 44%, 45%)  Jade
#5f3fa4  rgb(95, 63, 164)  hsl(259, 44%, 45%)  Purple Heart