#337F21#337F21

#337F21 is a mid, vivid green. Relative luminance 0.160; OKLCH L 52.9% C 0.148 H 140.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#337F21
RGB	rgb(51, 127, 33)
HSL	hsl(109, 59%, 31%)
HSV	hsv(109, 74%, 50%)
CMYK	cmyk(59.8%, 0%, 74%, 50.2%)
CIE-LAB	lab(46.96, -41.58, 41.86)
CIE-LCH	lch(46.96, 59.00, 134.81°)
OKLab	oklab(52.9% -0.114 0.095)
OKLCH	oklch(52.9% 0.148 140.2)
XYZ	xyz(9.2287, 15.9915, 4.0389)
Luminance	0.1599 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337F21 #6D217F

analogous

#627F21 #337F21 #217F3E

triadic

#337F21 #21337F #7F2133

tetradic

#337F21 #21627F #6D217F #7F3E21

square

#337F21 #21627F #6D217F #7F3E21

split-complementary

#337F21 #3E217F #7F2162

monochromatic

#0C1E08 #1F4E14 #337F21 #47B02E #64D04A

Accessibility & contrast

On white

5.00

#337F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#337F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337F21

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337F21	#FFFFFF	#000000	##FFFFFF
##337F21	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837311

Deuteranopia (green-blind)

#796D2A

Tritanopia (blue-blind)

#297B6D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #337f21;
/* rgb */ color: rgb(51, 127, 33);
/* oklch */ color: oklch(52.9% 0.148 140.2);

Tailwind

colors: {
  custom: {
    50: '#74a562',
    500: '#337f21',
    950: '#000000',
  },
}

SCSS

$custom: #337f21;
$custom-light: #74a562;
$custom-dark: #000000;

JSON

{
  "hex": "#337f21",
  "rgb": {
    "r": 51,
    "g": 127,
    "b": 33
  },
  "hsl": {
    "h": 108.511,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.52901,
    "c": 0.14839,
    "h": 140.2
  },
  "luminance": 0.15992
}

Semantic roles & 50–950 ramp

primary

#337F21

secondary

#9E4AB2

accent

#46E2C4

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#090F05

muted

#7B7F7A

Preview Lab

Preview with #337F21

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

Preview Lab → · Contrast checker → · Palette generator →