#337C51#337C51

#337C51 is a mid, moderate green. Relative luminance 0.157; OKLCH L 52.8% C 0.100 H 154.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#337C51
RGB	rgb(51, 124, 81)
HSL	hsl(145, 42%, 34%)
HSV	hsv(145, 59%, 49%)
CMYK	cmyk(58.9%, 0%, 34.7%, 51.4%)
CIE-LAB	lab(46.59, -33.31, 16.84)
CIE-LCH	lch(46.59, 37.32, 153.19°)
OKLab	oklab(52.81% -0.0906 0.0424)
OKLCH	oklch(52.81% 0.1 154.9)
XYZ	xyz(10.0573, 15.7123, 10.2858)
Luminance	0.1571 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337C51 #7C335E

analogous

#3A7C33 #337C51 #337C76

triadic

#337C51 #51337C #7C5133

tetradic

#337C51 #333A7C #7C335E #7C7633

square

#337C51 #333A7C #7C335E #7C7633

split-complementary

#337C51 #76337C #7C333A

monochromatic

#0F2518 #215135 #337C51 #45A76D #68C18D

Accessibility & contrast

On white

5.07

#337C51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#337C51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337C51

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337C51	#FFFFFF	#000000	##FFFFFF
##337C51	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C734E

Deuteranopia (green-blind)

#726C54

Tritanopia (blue-blind)

#1C7B71

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #337c51;
/* rgb */ color: rgb(51, 124, 81);
/* oklch */ color: oklch(52.8% 0.100 154.9);

Tailwind

colors: {
  custom: {
    50: '#72a282',
    500: '#337c51',
    950: '#000000',
  },
}

SCSS

$custom: #337c51;
$custom-light: #72a282;
$custom-dark: #000000;

JSON

{
  "hex": "#337c51",
  "rgb": {
    "r": 51,
    "g": 124,
    "b": 81
  },
  "hsl": {
    "h": 144.658,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.52805,
    "c": 0.10003,
    "h": 154.9
  },
  "luminance": 0.15713
}

Semantic roles & 50–950 ramp

primary

#337C51

secondary

#A9628C

accent

#569FD2

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#080F0A

muted

#7B7F7C

Preview Lab

Preview with #337C51

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

Preview Lab → · Contrast checker → · Palette generator →