#37501B#37501B

#37501B is a dark, moderate yellow-green. Relative luminance 0.066; OKLCH L 39.8% C 0.084 H 130.7°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#37501B
RGB	rgb(55, 80, 27)
HSL	hsl(88, 50%, 21%)
HSV	hsv(88, 66%, 31%)
CMYK	cmyk(31.2%, 0%, 66.3%, 68.6%)
CIE-LAB	lab(30.95, -19.59, 27.55)
CIE-LCH	lch(30.95, 33.80, 125.41°)
OKLab	oklab(39.8% -0.055 0.064)
OKLCH	oklch(39.8% 0.084 130.7)
XYZ	xyz(4.6420, 6.6285, 2.0716)
Luminance	0.0663 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37501B #341B50

analogous

#504E1B #37501B #1C501B

triadic

#37501B #1B3750 #501B37

tetradic

#37501B #1B504E #341B50 #501B1C

square

#37501B #1B504E #341B50 #501B1C

split-complementary

#37501B #1B1C50 #4E1B50

monochromatic

#101708 #18220C #37501B #567E2A #76AC3A

Accessibility & contrast

On white

9.03

#37501B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#37501B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37501B

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37501B	#FFFFFF	#000000	##FFFFFF
##37501B	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A15

Deuteranopia (green-blind)

#50481F

Tritanopia (blue-blind)

#384D45

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #37501b;
/* rgb */ color: rgb(55, 80, 27);
/* oklch */ color: oklch(39.8% 0.084 130.7);

Tailwind

colors: {
  custom: {
    50: '#70815a',
    500: '#37501b',
    950: '#000000',
  },
}

SCSS

$custom: #37501b;
$custom-light: #70815a;
$custom-dark: #000000;

JSON

{
  "hex": "#37501b",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 27
  },
  "hsl": {
    "h": 88.302,
    "s": 49.533,
    "l": 20.98
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.08433,
    "h": 130.7
  },
  "luminance": 0.06629
}

Semantic roles & 50–950 ramp

primary

#37501B

secondary

#614186

accent

#4FD990

background

#F6F7F5

surface

#ECEEE9

border

#C7C9C5

text

#070A04

muted

#7A7C79

Preview Lab

Preview with #37501B

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

Preview Lab → · Contrast checker → · Palette generator →