#337F50#337F50

#337F50 is a mid, moderate green. Relative luminance 0.165; OKLCH L 53.6% C 0.106 H 153.6°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#337F50
RGB	rgb(51, 127, 80)
HSL	hsl(143, 43%, 35%)
HSV	hsv(143, 60%, 50%)
CMYK	cmyk(59.8%, 0%, 37%, 50.2%)
CIE-LAB	lab(47.57, -34.86, 18.73)
CIE-LCH	lch(47.57, 39.57, 151.76°)
OKLab	oklab(53.6% -0.0946 0.047)
OKLCH	oklch(53.6% 0.106 153.6)
XYZ	xyz(10.4018, 16.4608, 10.2169)
Luminance	0.1646 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337F50 #7F3362

analogous

#3C7F33 #337F50 #337F76

triadic

#337F50 #50337F #7F5033

tetradic

#337F50 #333C7F #7F3362 #7F7633

square

#337F50 #333C7F #7F3362 #7F7633

split-complementary

#337F50 #76337F #7F333C

monochromatic

#102819 #215334 #337F50 #45AB6C #69C38C

Accessibility & contrast

On white

4.89

#337F50 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#337F50 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337F50

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337F50	#FFFFFF	#000000	##FFFFFF
##337F50	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F754D

Deuteranopia (green-blind)

#756E53

Tritanopia (blue-blind)

#1B7D73

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #337f50;
/* rgb */ color: rgb(51, 127, 80);
/* oklch */ color: oklch(53.6% 0.106 153.6);

Tailwind

colors: {
  custom: {
    50: '#72a581',
    500: '#337f50',
    950: '#000000',
  },
}

SCSS

$custom: #337f50;
$custom-light: #72a581;
$custom-dark: #000000;

JSON

{
  "hex": "#337f50",
  "rgb": {
    "r": 51,
    "g": 127,
    "b": 80
  },
  "hsl": {
    "h": 142.895,
    "s": 42.697,
    "l": 34.902
  },
  "oklch": {
    "l": 0.53601,
    "c": 0.10561,
    "h": 153.6
  },
  "luminance": 0.16462
}

Semantic roles & 50–950 ramp

primary

#337F50

secondary

#AB638F

accent

#55A3D2

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#080F0A

muted

#7B7F7C

Preview Lab

Preview with #337F50

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

Preview Lab → · Contrast checker → · Palette generator →