#37581E#37581E

#37581E is a dark, moderate yellow-green. Relative luminance 0.079; OKLCH L 42.1% C 0.094 H 133.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#37581E
RGB	rgb(55, 88, 30)
HSL	hsl(94, 49%, 23%)
HSV	hsv(94, 66%, 35%)
CMYK	cmyk(37.5%, 0%, 65.9%, 65.5%)
CIE-LAB	lab(33.74, -23.39, 29.14)
CIE-LCH	lch(33.74, 37.37, 128.76°)
OKLab	oklab(42.09% -0.0651 0.0677)
OKLCH	oklch(42.09% 0.094 133.9)
XYZ	xyz(5.2995, 7.8852, 2.4708)
Luminance	0.0789 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37581E #3F1E58

analogous

#54581E #37581E #1E5822

triadic

#37581E #1E3758 #581E37

tetradic

#37581E #1E5458 #3F1E58 #58221E

square

#37581E #1E5458 #3F1E58 #58221E

split-complementary

#37581E #221E58 #581E54

monochromatic

#0E1708 #1A2A0E #37581E #54862E #70B33D

Accessibility & contrast

On white

8.15

#37581E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#37581E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37581E

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37581E	#FFFFFF	#000000	##FFFFFF
##37581E	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5117

Deuteranopia (green-blind)

#574E22

Tritanopia (blue-blind)

#37554C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37581e;
/* rgb */ color: rgb(55, 88, 30);
/* oklch */ color: oklch(42.1% 0.094 133.9);

Tailwind

colors: {
  custom: {
    50: '#70875c',
    500: '#37581e',
    950: '#000000',
  },
}

SCSS

$custom: #37581e;
$custom-light: #70875c;
$custom-dark: #000000;

JSON

{
  "hex": "#37581e",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 30
  },
  "hsl": {
    "h": 94.138,
    "s": 49.153,
    "l": 23.137
  },
  "oklch": {
    "l": 0.42088,
    "c": 0.09396,
    "h": 133.9
  },
  "luminance": 0.07885
}

Semantic roles & 50–950 ramp

primary

#37581E

secondary

#6E458D

accent

#4FD99D

background

#F6F8F5

surface

#ECEFE9

border

#C7CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #37581E

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

Preview Lab → · Contrast checker → · Palette generator →