#377B1F#377B1F

#377B1F is a mid, vivid green. Relative luminance 0.151; OKLCH L 51.9% C 0.143 H 138.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#377B1F
RGBrgb(55, 123, 31)
HSLhsl(104, 60%, 30%)
HSVhsv(104, 75%, 48%)
CMYKcmyk(55.3%, 0%, 74.8%, 51.8%)
CIE-LABlab(45.74, -39.02, 41.45)
CIE-LCHlch(45.74, 56.93, 133.27°)
OKLaboklab(51.93% -0.1075 0.0938)
OKLCHoklch(51.93% 0.143 138.9)
XYZxyz(8.9055, 15.0764, 3.7368)
Luminance0.1508 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377B1F #631F7B
analogous
#657B1F #377B1F #1F7B35
triadic
#377B1F #1F377B #7B1F37
tetradic
#377B1F #1F657B #631F7B #7B351F
square
#377B1F #1F657B #631F7B #7B351F
split-complementary
#377B1F #351F7B #7B1F65
monochromatic
#0B1906 #214A13 #377B1F #4DAC2B #69D044

Accessibility & contrast

On white

5.23
#377B1F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.02
#377B1F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377B1F
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377B1F#FFFFFF#000000##FFFFFF
##377B1F1.005.234.025.23
#FFFFFF5.231.0021.001.00
#0000004.0221.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7F700F
Deuteranopia (green-blind)
#766A28
Tritanopia (blue-blind)
#317769
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #377b1f;
/* rgb */ color: rgb(55, 123, 31);
/* oklch */ color: oklch(51.9% 0.143 138.9);
Tailwind
colors: {
  custom: {
    50: '#75a261',
    500: '#377b1f',
    950: '#000000',
  },
}
SCSS
$custom: #377b1f;
$custom-light: #75a261;
$custom-dark: #000000;
JSON
{
  "hex": "#377b1f",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 31
  },
  "hsl": {
    "h": 104.348,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.51926,
    "c": 0.14265,
    "h": 138.9
  },
  "luminance": 0.15077
}

Semantic roles & 50–950 ramp

primary
#377B1F
secondary
#9348AE
accent
#45E3BA
background
#F7FAF5
surface
#EDF3EA
border
#C8CDC6
text
#090F05
muted
#7B7F79

Preview Lab

Preview with #377B1F

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

Preview Lab → · Contrast checker → · Palette generator →

#377B1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva