#377C1B#377C1B

#377C1B is a mid, vivid green. Relative luminance 0.153; OKLCH L 52.2% C 0.146 H 138.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#377C1B
RGB	rgb(55, 124, 27)
HSL	hsl(103, 64%, 30%)
HSV	hsv(103, 78%, 49%)
CMYK	cmyk(55.6%, 0%, 78.2%, 51.4%)
CIE-LAB	lab(46.05, -39.72, 43.28)
CIE-LCH	lch(46.05, 58.75, 132.54°)
OKLab	oklab(52.18% -0.1097 0.097)
OKLCH	oklch(52.18% 0.146 138.5)
XYZ	xyz(8.9807, 15.3059, 3.5178)
Luminance	0.1531 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377C1B #601B7C

analogous

#687C1B #377C1B #1B7C2F

triadic

#377C1B #1B377C #7C1B37

tetradic

#377C1B #1B687C #601B7C #7C2F1B

square

#377C1B #1B687C #601B7C #7C2F1B

split-complementary

#377C1B #2F1B7C #7C1B68

monochromatic

#0B1905 #214A10 #377C1B #4DAE26 #69D53D

Accessibility & contrast

On white

5.17

#377C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#377C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377C1B

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377C1B	#FFFFFF	#000000	##FFFFFF
##377C1B	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807106

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#31786A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #377c1b;
/* rgb */ color: rgb(55, 124, 27);
/* oklch */ color: oklch(52.2% 0.146 138.5);

Tailwind

colors: {
  custom: {
    50: '#76a25f',
    500: '#377c1b',
    950: '#000000',
  },
}

SCSS

$custom: #377c1b;
$custom-light: #76a25f;
$custom-dark: #000000;

JSON

{
  "hex": "#377c1b",
  "rgb": {
    "r": 55,
    "g": 124,
    "b": 27
  },
  "hsl": {
    "h": 102.68,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.14642,
    "h": 138.5
  },
  "luminance": 0.15307
}

Semantic roles & 50–950 ramp

primary

#377C1B

secondary

#9043B0

accent

#41E7B7

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #377C1B

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

Preview Lab → · Contrast checker → · Palette generator →