#377E1B#377E1B

#377E1B is a mid, vivid green. Relative luminance 0.158; OKLCH L 52.7% C 0.149 H 138.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#377E1B
RGB	rgb(55, 126, 27)
HSL	hsl(103, 65%, 30%)
HSV	hsv(103, 79%, 49%)
CMYK	cmyk(56.3%, 0%, 78.6%, 50.6%)
CIE-LAB	lab(46.73, -40.52, 43.95)
CIE-LCH	lch(46.73, 59.78, 132.68°)
OKLab	oklab(52.73% -0.1118 0.0984)
OKLCH	oklch(52.73% 0.149 138.7)
XYZ	xyz(9.2339, 15.8123, 3.6022)
Luminance	0.1581 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E1B #621B7E

analogous

#697E1B #377E1B #1B7E30

triadic

#377E1B #1B377E #7E1B37

tetradic

#377E1B #1B697E #621B7E #7E301B

square

#377E1B #1B697E #621B7E #7E301B

split-complementary

#377E1B #301B7E #7E1B69

monochromatic

#0B1905 #214C10 #377E1B #4DB026 #69D63E

Accessibility & contrast

On white

5.04

#377E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#377E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377E1B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E1B	#FFFFFF	#000000	##FFFFFF
##377E1B	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827204

Deuteranopia (green-blind)

#796D26

Tritanopia (blue-blind)

#30796B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #377e1b;
/* rgb */ color: rgb(55, 126, 27);
/* oklch */ color: oklch(52.7% 0.149 138.7);

Tailwind

colors: {
  custom: {
    50: '#76a45f',
    500: '#377e1b',
    950: '#000000',
  },
}

SCSS

$custom: #377e1b;
$custom-light: #76a45f;
$custom-dark: #000000;

JSON

{
  "hex": "#377e1b",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 27
  },
  "hsl": {
    "h": 103.03,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.52733,
    "c": 0.14894,
    "h": 138.7
  },
  "luminance": 0.15813
}

Semantic roles & 50–950 ramp

primary

#377E1B

secondary

#9243B2

accent

#40E8B8

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #377E1B

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

Preview Lab → · Contrast checker → · Palette generator →