#37451B#37451B

#37451B is a dark, moderate yellow-green. Relative luminance 0.051; OKLCH L 36.7% C 0.067 H 124.9°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX#37451B
RGBrgb(55, 69, 27)
HSLhsl(80, 44%, 19%)
HSVhsv(80, 61%, 27%)
CMYKcmyk(20.3%, 0%, 60.9%, 72.9%)
CIE-LABlab(27.15, -13.52, 23.22)
CIE-LCHlch(27.15, 26.87, 120.21°)
OKLaboklab(36.73% -0.0382 0.0547)
OKLCHoklch(36.73% 0.067 124.9)
XYZxyz(3.9015, 5.1476, 1.8247)
Luminance0.0515 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37451B #291B45
analogous
#453E1B #37451B #22451B
triadic
#37451B #1B3745 #451B37
tetradic
#37451B #1B453E #291B45 #451B22
square
#37451B #1B453E #291B45 #451B22
split-complementary
#37451B #1B2245 #3E1B45
monochromatic
#121609 #14190A #37451B #5A712C #7D9D3D

Accessibility & contrast

On white

10.35
#37451B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#37451B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37451B
10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37451B#FFFFFF#000000##FFFFFF
##37451B1.0010.352.0310.35
#FFFFFF10.351.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#494117
Deuteranopia (green-blind)
#47401E
Tritanopia (blue-blind)
#39423C
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #37451b;
/* rgb */ color: rgb(55, 69, 27);
/* oklch */ color: oklch(36.7% 0.067 124.9);
Tailwind
colors: {
  custom: {
    50: '#6f7859',
    500: '#37451b',
    950: '#000000',
  },
}
SCSS
$custom: #37451b;
$custom-light: #6f7859;
$custom-dark: #000000;
JSON
{
  "hex": "#37451b",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 27
  },
  "hsl": {
    "h": 80,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.36733,
    "c": 0.06665,
    "h": 124.9
  },
  "luminance": 0.05148
}

Semantic roles & 50–950 ramp

primary
#37451B
secondary
#54417B
accent
#54D37F
background
#F6F7F5
surface
#ECEDE9
border
#C7C8C5
text
#070903
muted
#7A7B78

Preview Lab

Preview with #37451B

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

Preview Lab → · Contrast checker → · Palette generator →

#37451B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva