#37831B#37831B

#37831B is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.1% C 0.155 H 139.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#37831B
RGB	rgb(55, 131, 27)
HSL	hsl(104, 66%, 31%)
HSV	hsv(104, 79%, 51%)
CMYK	cmyk(58%, 0%, 79.4%, 48.6%)
CIE-LAB	lab(48.41, -42.48, 45.58)
CIE-LCH	lch(48.41, 62.31, 132.98°)
OKLab	oklab(54.13% -0.1171 0.1018)
OKLCH	oklch(54.13% 0.155 139)
XYZ	xyz(9.8893, 17.1231, 3.8207)
Luminance	0.1712 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37831B #671B83

analogous

#6B831B #37831B #1B8333

triadic

#37831B #1B3783 #831B37

tetradic

#37831B #1B6B83 #671B83 #83331B

square

#37831B #1B6B83 #671B83 #83331B

split-complementary

#37831B #331B83 #831B6B

monochromatic

#0C1E06 #225011 #37831B #4CB625 #69D841

Accessibility & contrast

On white

4.75

#37831B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#37831B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37831B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37831B	#FFFFFF	#000000	##FFFFFF
##37831B	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877702

Deuteranopia (green-blind)

#7E7127

Tritanopia (blue-blind)

#2F7E6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #37831b;
/* rgb */ color: rgb(55, 131, 27);
/* oklch */ color: oklch(54.1% 0.155 139.0);

Tailwind

colors: {
  custom: {
    50: '#77a860',
    500: '#37831b',
    950: '#000000',
  },
}

SCSS

$custom: #37831b;
$custom-light: #77a860;
$custom-dark: #000000;

JSON

{
  "hex": "#37831b",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 27
  },
  "hsl": {
    "h": 103.846,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54125,
    "c": 0.15516,
    "h": 139
  },
  "luminance": 0.17124
}

Semantic roles & 50–950 ramp

primary

#37831B

secondary

#9743B6

accent

#3FE9BB

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#091005

muted

#7B7F79

Preview Lab

Preview with #37831B

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

Preview Lab → · Contrast checker → · Palette generator →