#337C21#337C21

#337C21 is a mid, vivid green. Relative luminance 0.152; OKLCH L 52.1% C 0.145 H 140.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#337C21
RGB	rgb(51, 124, 33)
HSL	hsl(108, 58%, 31%)
HSV	hsv(108, 73%, 49%)
CMYK	cmyk(58.9%, 0%, 73.4%, 51.4%)
CIE-LAB	lab(45.95, -40.41, 40.81)
CIE-LCH	lch(45.95, 57.43, 134.72°)
OKLab	oklab(52.06% -0.1108 0.0928)
OKLCH	oklch(52.06% 0.145 140.1)
XYZ	xyz(8.8470, 15.2282, 3.9117)
Luminance	0.1523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337C21 #6A217C

analogous

#607C21 #337C21 #217C3C

triadic

#337C21 #21337C #7C2133

tetradic

#337C21 #21607C #6A217C #7C3C21

square

#337C21 #21607C #6A217C #7C3C21

split-complementary

#337C21 #3C217C #7C2160

monochromatic

#0B1B07 #1F4C14 #337C21 #47AC2E #63CF49

Accessibility & contrast

On white

5.19

#337C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#337C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337C21

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337C21	#FFFFFF	#000000	##FFFFFF
##337C21	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807112

Deuteranopia (green-blind)

#766A2A

Tritanopia (blue-blind)

#2A786A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #337c21;
/* rgb */ color: rgb(51, 124, 33);
/* oklch */ color: oklch(52.1% 0.145 140.1);

Tailwind

colors: {
  custom: {
    50: '#73a362',
    500: '#337c21',
    950: '#000000',
  },
}

SCSS

$custom: #337c21;
$custom-light: #73a362;
$custom-dark: #000000;

JSON

{
  "hex": "#337c21",
  "rgb": {
    "r": 51,
    "g": 124,
    "b": 33
  },
  "hsl": {
    "h": 108.132,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.5206,
    "c": 0.14454,
    "h": 140.1
  },
  "luminance": 0.15229
}

Semantic roles & 50–950 ramp

primary

#337C21

secondary

#9B4AAF

accent

#47E1C3

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#090F05

muted

#7B7F7A

Preview Lab

Preview with #337C21

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

Preview Lab → · Contrast checker → · Palette generator →