#A66539#A66539

#A66539 is a mid, moderate orange. Relative luminance 0.177; OKLCH L 57.0% C 0.103 H 53.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#A66539
RGBrgb(166, 101, 57)
HSLhsl(24, 49%, 44%)
HSVhsv(24, 66%, 65%)
CMYKcmyk(0%, 39.2%, 65.7%, 34.9%)
CIE-LABlab(49.14, 22.05, 35.47)
CIE-LCHlch(49.14, 41.77, 58.14°)
OKLaboklab(56.98% 0.0615 0.0823)
OKLCHoklch(56.98% 0.103 53.2)
XYZxyz(21.1197, 17.7118, 6.1766)
Luminance0.1771 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66539 #397AA6
analogous
#A63943 #A66539 #A69B39
triadic
#A66539 #39A665 #6539A6
tetradic
#A66539 #43A639 #397AA6 #9B39A6
square
#A66539 #43A639 #397AA6 #9B39A6
split-complementary
#A66539 #39A69B #3943A6
monochromatic
#4B2E1A #784929 #A66539 #C58357 #D5A584

Accessibility & contrast

On white

4.62
#A66539 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.54
#A66539 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A66539
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66539#FFFFFF#000000##FFFFFF
##A665391.004.624.544.62
#FFFFFF4.621.0021.001.00
#0000004.5421.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#786C35
Deuteranopia (green-blind)
#877A39
Tritanopia (blue-blind)
#B5585B
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #a66539;
/* rgb */ color: rgb(166, 101, 57);
/* oklch */ color: oklch(57.0% 0.103 53.2);
Tailwind
colors: {
  custom: {
    50: '#c59171',
    500: '#a66539',
    950: '#000000',
  },
}
SCSS
$custom: #a66539;
$custom-light: #c59171;
$custom-dark: #000000;
JSON
{
  "hex": "#a66539",
  "rgb": {
    "r": 166,
    "g": 101,
    "b": 57
  },
  "hsl": {
    "h": 24.22,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56978,
    "c": 0.10267,
    "h": 53.2
  },
  "luminance": 0.1771
}

Semantic roles & 50–950 ramp

primary
#A66539
secondary
#7CA4BF
accent
#A1D84F
background
#FCF8F6
surface
#F9F0EC
border
#D2CBC7
text
#130D08
muted
#827D7B

Preview Lab

Preview with #A66539

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#A66539 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva