#37551B#37551B

#37551B is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.2% C 0.092 H 132.4°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#37551B
RGB	rgb(55, 85, 27)
HSL	hsl(91, 52%, 22%)
HSV	hsv(91, 68%, 33%)
CMYK	cmyk(35.3%, 0%, 68.2%, 66.7%)
CIE-LAB	lab(32.67, -22.19, 29.46)
CIE-LCH	lch(32.67, 36.88, 126.98°)
OKLab	oklab(41.21% -0.0621 0.068)
OKLCH	oklch(41.21% 0.092 132.4)
XYZ	xyz(5.0218, 7.3882, 2.1982)
Luminance	0.0739 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37551B #391B55

analogous

#54551B #37551B #1B551C

triadic

#37551B #1B3755 #551B37

tetradic

#37551B #1B5455 #391B55 #551C1B

square

#37551B #1B5455 #391B55 #551C1B

split-complementary

#37551B #1C1B55 #551B54

monochromatic

#0F1707 #19270C #37551B #55832A #73B239

Accessibility & contrast

On white

8.48

#37551B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#37551B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37551B

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37551B	#FFFFFF	#000000	##FFFFFF
##37551B	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E14

Deuteranopia (green-blind)

#544C1F

Tritanopia (blue-blind)

#385149

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #37551b;
/* rgb */ color: rgb(55, 85, 27);
/* oklch */ color: oklch(41.2% 0.092 132.4);

Tailwind

colors: {
  custom: {
    50: '#70855a',
    500: '#37551b',
    950: '#000000',
  },
}

SCSS

$custom: #37551b;
$custom-light: #70855a;
$custom-dark: #000000;

JSON

{
  "hex": "#37551b",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 27
  },
  "hsl": {
    "h": 91.034,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41208,
    "c": 0.09211,
    "h": 132.4
  },
  "luminance": 0.07388
}

Semantic roles & 50–950 ramp

primary

#37551B

secondary

#67418B

accent

#4DDB96

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37551B

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

Preview Lab → · Contrast checker → · Palette generator →