#337B21#337B21

#337B21 is a mid, vivid green. Relative luminance 0.150; OKLCH L 51.8% C 0.143 H 140.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#337B21
RGB	rgb(51, 123, 33)
HSL	hsl(108, 58%, 31%)
HSV	hsv(108, 73%, 48%)
CMYK	cmyk(58.5%, 0%, 73.2%, 51.8%)
CIE-LAB	lab(45.61, -40.01, 40.46)
CIE-LCH	lch(45.61, 56.90, 134.68°)
OKLab	oklab(51.78% -0.1098 0.092)
OKLCH	oklch(51.78% 0.143 140)
XYZ	xyz(8.7223, 14.9788, 3.8701)
Luminance	0.1498 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337B21 #69217B

analogous

#607B21 #337B21 #217B3C

triadic

#337B21 #21337B #7B2133

tetradic

#337B21 #21607B #69217B #7B3C21

square

#337B21 #21607B #69217B #7B3C21

split-complementary

#337B21 #3C217B #7B2160

monochromatic

#0B1A07 #1F4B14 #337B21 #47AB2E #63CE48

Accessibility & contrast

On white

5.26

#337B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#337B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337B21

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337B21	#FFFFFF	#000000	##FFFFFF
##337B21	1.00	5.26	4.00	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7013

Deuteranopia (green-blind)

#756A2A

Tritanopia (blue-blind)

#2A7769

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #337b21;
/* rgb */ color: rgb(51, 123, 33);
/* oklch */ color: oklch(51.8% 0.143 140.0);

Tailwind

colors: {
  custom: {
    50: '#73a262',
    500: '#337b21',
    950: '#000000',
  },
}

SCSS

$custom: #337b21;
$custom-light: #73a262;
$custom-dark: #000000;

JSON

{
  "hex": "#337b21",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 33
  },
  "hsl": {
    "h": 108,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.5178,
    "c": 0.14325,
    "h": 140
  },
  "luminance": 0.1498
}

Semantic roles & 50–950 ramp

primary

#337B21

secondary

#9A4AAE

accent

#47E1C2

background

#F7FAF6

surface

#EDF3EB

border

#C8CDC6

text

#090F05

muted

#7B7F7A

Preview Lab

Preview with #337B21

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

Preview Lab → · Contrast checker → · Palette generator →