#37B539#37B539

#37B539 is a light, vivid green. Relative luminance 0.342; OKLCH L 68.0% C 0.196 H 143.2°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#37B539
RGB	rgb(55, 181, 57)
HSL	hsl(121, 53%, 46%)
HSV	hsv(121, 70%, 71%)
CMYK	cmyk(69.6%, 0%, 68.5%, 29%)
CIE-LAB	lab(65.08, -57.99, 51.19)
CIE-LCH	lch(65.08, 77.35, 138.56°)
OKLab	oklab(67.99% -0.1573 0.1176)
OKLCH	oklch(67.99% 0.196 143.2)
XYZ	xyz(18.8368, 34.1533, 9.4696)
Luminance	0.3416 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B539 #B537B3

analogous

#74B537 #37B539 #37B578

triadic

#37B539 #3937B5 #B53937

tetradic

#37B539 #3774B5 #B537B3 #B57837

square

#37B539 #3774B5 #B537B3 #B57837

split-complementary

#37B539 #7837B5 #B53774

monochromatic

#1A571B #29862A #37B539 #5CCD5E #8BDC8C

Accessibility & contrast

On white

2.68

#37B539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#37B539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B539

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B539	#FFFFFF	#000000	##000000
##37B539	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A427

Deuteranopia (green-blind)

#AA9A45

Tritanopia (blue-blind)

#10B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37b539;
/* rgb */ color: rgb(55, 181, 57);
/* oklch */ color: oklch(68.0% 0.196 143.2);

Tailwind

colors: {
  custom: {
    50: '#80cc76',
    500: '#37b539',
    950: '#000000',
  },
}

SCSS

$custom: #37b539;
$custom-light: #80cc76;
$custom-dark: #000000;

JSON

{
  "hex": "#37b539",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 57
  },
  "hsl": {
    "h": 120.952,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.67986,
    "c": 0.1964,
    "h": 143.2
  },
  "luminance": 0.34155
}

Semantic roles & 50–950 ramp

primary

#37B539

secondary

#C682C5

accent

#4BDADD

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #37B539

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

Preview Lab → · Contrast checker → · Palette generator →