#37531C#37531C

#37531C is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.7% C 0.088 H 132.0°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#37531C
RGB	rgb(55, 83, 28)
HSL	hsl(91, 50%, 22%)
HSV	hsv(91, 66%, 33%)
CMYK	cmyk(33.7%, 0%, 66.3%, 67.5%)
CIE-LAB	lab(31.99, -21.05, 28.21)
CIE-LCH	lch(31.99, 35.20, 126.74°)
OKLab	oklab(40.66% -0.0589 0.0655)
OKLCH	oklch(40.66% 0.088 132)
XYZ	xyz(4.8783, 7.0824, 2.2084)
Luminance	0.0708 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37531C #381C53

analogous

#53531C #37531C #1C531C

triadic

#37531C #1C3753 #531C37

tetradic

#37531C #1C5353 #381C53 #531C1C

square

#37531C #1C5353 #381C53 #531C1C

split-complementary

#37531C #1C1C53 #531C53

monochromatic

#0F1708 #19250D #37531C #55812B #74AF3B

Accessibility & contrast

On white

8.69

#37531C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#37531C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37531C

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37531C	#FFFFFF	#000000	##FFFFFF
##37531C	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D16

Deuteranopia (green-blind)

#534B20

Tritanopia (blue-blind)

#385047

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37531c;
/* rgb */ color: rgb(55, 83, 28);
/* oklch */ color: oklch(40.7% 0.088 132.0);

Tailwind

colors: {
  custom: {
    50: '#70835b',
    500: '#37531c',
    950: '#000000',
  },
}

SCSS

$custom: #37531c;
$custom-light: #70835b;
$custom-dark: #000000;

JSON

{
  "hex": "#37531c",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 28
  },
  "hsl": {
    "h": 90.545,
    "s": 49.55,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40657,
    "c": 0.08807,
    "h": 132
  },
  "luminance": 0.07083
}

Semantic roles & 50–950 ramp

primary

#37531C

secondary

#664289

accent

#4FD995

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #37531C

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

Preview Lab → · Contrast checker → · Palette generator →