#337B18#337B18

#337B18 is a mid, vivid green. Relative luminance 0.149; OKLCH L 51.7% C 0.149 H 139.0°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#337B18
RGB	rgb(51, 123, 24)
HSL	hsl(104, 67%, 29%)
HSV	hsv(104, 80%, 48%)
CMYK	cmyk(58.5%, 0%, 80.5%, 51.8%)
CIE-LAB	lab(45.54, -40.70, 43.80)
CIE-LCH	lch(45.54, 59.79, 132.90°)
OKLab	oklab(51.71% -0.1122 0.0977)
OKLCH	oklch(51.71% 0.149 139)
XYZ	xyz(8.6127, 14.9349, 3.2928)
Luminance	0.1494 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337B18 #60187B

analogous

#657B18 #337B18 #187B2F

triadic

#337B18 #18337B #7B1833

tetradic

#337B18 #18657B #60187B #7B2F18

square

#337B18 #18657B #60187B #7B2F18

split-complementary

#337B18 #2F187B #7B1865

monochromatic

#0B1A05 #1E480E #337B18 #48AE22 #62D836

Accessibility & contrast

On white

5.27

#337B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#337B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337B18

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337B18	#FFFFFF	#000000	##FFFFFF
##337B18	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F6F00

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#2C7769

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #337b18;
/* rgb */ color: rgb(51, 123, 24);
/* oklch */ color: oklch(51.7% 0.149 139.0);

Tailwind

colors: {
  custom: {
    50: '#74a25d',
    500: '#337b18',
    950: '#000000',
  },
}

SCSS

$custom: #337b18;
$custom-light: #74a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#337b18",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 24
  },
  "hsl": {
    "h": 103.636,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.51711,
    "c": 0.14876,
    "h": 139
  },
  "luminance": 0.14936
}

Semantic roles & 50–950 ramp

primary

#337B18

secondary

#913FB0

accent

#3EEABB

background

#F7FAF5

surface

#EDF3E9

border

#C8CDC5

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #337B18

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

Preview Lab → · Contrast checker → · Palette generator →