#37681B#37681B

#37681B is a mid, moderate yellow-green. Relative luminance 0.108; OKLCH L 46.6% C 0.120 H 136.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#37681B
RGBrgb(55, 104, 27)
HSLhsl(98, 59%, 26%)
HSVhsv(98, 74%, 41%)
CMYKcmyk(47.1%, 0%, 74%, 59.2%)
CIE-LABlab(39.23, -31.26, 36.43)
CIE-LCHlch(39.23, 48.00, 130.63°)
OKLaboklab(46.56% -0.0868 0.0827)
OKLCHoklch(46.56% 0.12 136.4)
XYZxyz(6.7235, 10.7916, 2.7654)
Luminance0.1079 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37681B #4C1B68
analogous
#5D681B #37681B #1B6825
triadic
#37681B #1B3768 #681B37
tetradic
#37681B #1B5D68 #4C1B68 #68251B
square
#37681B #1B5D68 #4C1B68 #68251B
split-complementary
#37681B #251B68 #681B5D
monochromatic
#0D1806 #1D370E #37681B #519928 #6AC934

Accessibility & contrast

On white

6.65
#37681B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#37681B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37681B
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37681B#FFFFFF#000000##FFFFFF
##37681B1.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C5F0F
Deuteranopia (green-blind)
#655B22
Tritanopia (blue-blind)
#356459
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #37681b;
/* rgb */ color: rgb(55, 104, 27);
/* oklch */ color: oklch(46.6% 0.120 136.4);
Tailwind
colors: {
  custom: {
    50: '#73935c',
    500: '#37681b',
    950: '#000000',
  },
}
SCSS
$custom: #37681b;
$custom-light: #73935c;
$custom-dark: #000000;
JSON
{
  "hex": "#37681b",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 27
  },
  "hsl": {
    "h": 98.182,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.46563,
    "c": 0.11989,
    "h": 136.4
  },
  "luminance": 0.10792
}

Semantic roles & 50–950 ramp

primary
#37681B
secondary
#7C429D
accent
#46E2A9
background
#F7F9F5
surface
#EDF1E9
border
#C8CBC5
text
#080D04
muted
#7B7E79

Preview Lab

Preview with #37681B

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

Preview Lab → · Contrast checker → · Palette generator →

#37681B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva