#337A21#337A21

#337A21 is a mid, vivid green. Relative luminance 0.147; OKLCH L 51.5% C 0.142 H 140.0°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#337A21
RGB	rgb(51, 122, 33)
HSL	hsl(108, 57%, 30%)
HSV	hsv(108, 73%, 48%)
CMYK	cmyk(58.2%, 0%, 73%, 52.2%)
CIE-LAB	lab(45.26, -39.61, 40.10)
CIE-LCH	lch(45.26, 56.37, 134.65°)
OKLab	oklab(51.5% -0.1087 0.0913)
OKLCH	oklch(51.5% 0.142 140)
XYZ	xyz(8.5989, 14.7320, 3.8290)
Luminance	0.1473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A21 #68217A

analogous

#5F7A21 #337A21 #217A3B

triadic

#337A21 #21337A #7A2133

tetradic

#337A21 #215F7A #68217A #7A3B21

square

#337A21 #215F7A #68217A #7A3B21

split-complementary

#337A21 #3B217A #7A215F

monochromatic

#0B1A07 #1F4A14 #337A21 #47AA2E #63CD48

Accessibility & contrast

On white

5.32

#337A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#337A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A21

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A21	#FFFFFF	#000000	##FFFFFF
##337A21	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6F13

Deuteranopia (green-blind)

#74692A

Tritanopia (blue-blind)

#2B7668

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #337a21;
/* rgb */ color: rgb(51, 122, 33);
/* oklch */ color: oklch(51.5% 0.142 140.0);

Tailwind

colors: {
  custom: {
    50: '#73a162',
    500: '#337a21',
    950: '#000000',
  },
}

SCSS

$custom: #337a21;
$custom-light: #73a162;
$custom-dark: #000000;

JSON

{
  "hex": "#337a21",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 33
  },
  "hsl": {
    "h": 107.865,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51499,
    "c": 0.14195,
    "h": 140
  },
  "luminance": 0.14733
}

Semantic roles & 50–950 ramp

primary

#337A21

secondary

#994AAD

accent

#47E1C2

background

#F7FAF6

surface

#EDF3EB

border

#C8CDC6

text

#090F05

muted

#7B7F7A

Preview Lab

Preview with #337A21

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

Preview Lab → · Contrast checker → · Palette generator →