#37541B#37541B

#37541B is a dark, moderate yellow-green. Relative luminance 0.072; OKLCH L 40.9% C 0.091 H 132.1°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#37541B
RGB	rgb(55, 84, 27)
HSL	hsl(91, 51%, 22%)
HSV	hsv(91, 68%, 33%)
CMYK	cmyk(34.5%, 0%, 67.9%, 67.1%)
CIE-LAB	lab(32.33, -21.67, 29.08)
CIE-LCH	lch(32.33, 36.27, 126.69°)
OKLab	oklab(40.93% -0.0607 0.0672)
OKLCH	oklch(40.93% 0.091 132.1)
XYZ	xyz(4.9436, 7.2318, 2.1721)
Luminance	0.0723 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37541B #381B54

analogous

#54541B #37541B #1B541C

triadic

#37541B #1B3754 #541B37

tetradic

#37541B #1B5454 #381B54 #541C1B

square

#37541B #1B5454 #381B54 #541C1B

split-complementary

#37541B #1C1B54 #541B54

monochromatic

#0F1707 #19260C #37541B #55822A #74B139

Accessibility & contrast

On white

8.58

#37541B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#37541B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37541B

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37541B	#FFFFFF	#000000	##FFFFFF
##37541B	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D14

Deuteranopia (green-blind)

#544B1F

Tritanopia (blue-blind)

#385048

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #37541b;
/* rgb */ color: rgb(55, 84, 27);
/* oklch */ color: oklch(40.9% 0.091 132.1);

Tailwind

colors: {
  custom: {
    50: '#70845a',
    500: '#37541b',
    950: '#000000',
  },
}

SCSS

$custom: #37541b;
$custom-light: #70845a;
$custom-dark: #000000;

JSON

{
  "hex": "#37541b",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 27
  },
  "hsl": {
    "h": 90.526,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40927,
    "c": 0.09056,
    "h": 132.1
  },
  "luminance": 0.07232
}

Semantic roles & 50–950 ramp

primary

#37541B

secondary

#66418A

accent

#4DDB95

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37541B

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

Preview Lab → · Contrast checker → · Palette generator →