#37571F#37571F

#37571F is a dark, moderate yellow-green. Relative luminance 0.077; OKLCH L 41.8% C 0.091 H 133.9°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#37571F
RGB	rgb(55, 87, 31)
HSL	hsl(94, 47%, 23%)
HSV	hsv(94, 64%, 34%)
CMYK	cmyk(36.8%, 0%, 64.4%, 65.9%)
CIE-LAB	lab(33.41, -22.78, 28.25)
CIE-LCH	lch(33.41, 36.29, 128.88°)
OKLab	oklab(41.82% -0.0634 0.0659)
OKLCH	oklch(41.82% 0.091 133.9)
XYZ	xyz(5.2310, 7.7273, 2.5120)
Luminance	0.0773 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37571F #3F1F57

analogous

#53571F #37571F #1F5723

triadic

#37571F #1F3757 #571F37

tetradic

#37571F #1F5357 #3F1F57 #57231F

square

#37571F #1F5357 #3F1F57 #57231F

split-complementary

#37571F #231F57 #571F53

monochromatic

#0E1708 #1A2A0F #37571F #54842F #70B13F

Accessibility & contrast

On white

8.25

#37571F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#37571F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37571F

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37571F	#FFFFFF	#000000	##FFFFFF
##37571F	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5019

Deuteranopia (green-blind)

#564E23

Tritanopia (blue-blind)

#37544B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37571f;
/* rgb */ color: rgb(55, 87, 31);
/* oklch */ color: oklch(41.8% 0.091 133.9);

Tailwind

colors: {
  custom: {
    50: '#70865d',
    500: '#37571f',
    950: '#000000',
  },
}

SCSS

$custom: #37571f;
$custom-light: #70865d;
$custom-dark: #000000;

JSON

{
  "hex": "#37571f",
  "rgb": {
    "r": 55,
    "g": 87,
    "b": 31
  },
  "hsl": {
    "h": 94.286,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.41819,
    "c": 0.09145,
    "h": 133.9
  },
  "luminance": 0.07728
}

Semantic roles & 50–950 ramp

primary

#37571F

secondary

#6E468C

accent

#51D79D

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37571F

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

Preview Lab → · Contrast checker → · Palette generator →