#AC5537#AC5537

#AC5537 is a mid, vivid orange. Relative luminance 0.155; OKLCH L 55.0% C 0.122 H 39.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#AC5537
RGB	rgb(172, 85, 55)
HSL	hsl(15, 52%, 45%)
HSV	hsv(15, 68%, 67%)
CMYK	cmyk(0%, 50.6%, 68%, 32.5%)
CIE-LAB	lab(46.37, 33.20, 33.56)
CIE-LCH	lch(46.37, 47.20, 45.31°)
OKLab	oklab(55.02% 0.0945 0.0776)
OKLCH	oklch(55.02% 0.122 39.4)
XYZ	xyz(20.9532, 15.5460, 5.5109)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC5537 #378EAC

analogous

#AC3753 #AC5537 #AC9037

triadic

#AC5537 #37AC55 #5537AC

tetradic

#AC5537 #53AC37 #378EAC #9037AC

square

#AC5537 #53AC37 #378EAC #9037AC

split-complementary

#AC5537 #37AC90 #3753AC

monochromatic

#4F2719 #7E3E28 #AC5537 #C97457 #D89B85

Accessibility & contrast

On white

5.11

#AC5537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#AC5537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC5537

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC5537	#FFFFFF	#000000	##FFFFFF
##AC5537	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6234

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#BC444E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ac5537;
/* rgb */ color: rgb(172, 85, 55);
/* oklch */ color: oklch(55.0% 0.122 39.4);

Tailwind

colors: {
  custom: {
    50: '#ca876f',
    500: '#ac5537',
    950: '#000000',
  },
}

SCSS

$custom: #ac5537;
$custom-light: #ca876f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac5537",
  "rgb": {
    "r": 172,
    "g": 85,
    "b": 55
  },
  "hsl": {
    "h": 15.385,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55019,
    "c": 0.12222,
    "h": 39.4
  },
  "luminance": 0.15543
}

Semantic roles & 50–950 ramp

primary

#AC5537

secondary

#7DB0C2

accent

#B7DB4D

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B07

muted

#837C7A

Preview Lab

Preview with #AC5537

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

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