#37B538#37B538

#37B538 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.0% C 0.197 H 143.1°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#37B538
RGB	rgb(55, 181, 56)
HSL	hsl(120, 53%, 46%)
HSV	hsv(120, 70%, 71%)
CMYK	cmyk(69.6%, 0%, 69.1%, 29%)
CIE-LAB	lab(65.08, -58.08, 51.58)
CIE-LCH	lch(65.08, 77.68, 138.39°)
OKLab	oklab(67.98% -0.1576 0.1183)
OKLCH	oklch(67.98% 0.197 143.1)
XYZ	xyz(18.8121, 34.1435, 9.3395)
Luminance	0.3414 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B538 #B537B4

analogous

#75B537 #37B538 #37B577

triadic

#37B538 #3837B5 #B53837

tetradic

#37B538 #3775B5 #B537B4 #B57737

square

#37B538 #3775B5 #B537B4 #B57737

split-complementary

#37B538 #7737B5 #B53775

monochromatic

#1A571B #298629 #37B538 #5CCD5D #8BDC8B

Accessibility & contrast

On white

2.68

#37B538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#37B538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B538

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B538	#FFFFFF	#000000	##000000
##37B538	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)

#B9A426

Deuteranopia (green-blind)

#AA9A44

Tritanopia (blue-blind)

#11B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37b538;
/* rgb */ color: rgb(55, 181, 56);
/* oklch */ color: oklch(68.0% 0.197 143.1);

Tailwind

colors: {
  custom: {
    50: '#80cc75',
    500: '#37b538',
    950: '#000000',
  },
}

SCSS

$custom: #37b538;
$custom-light: #80cc75;
$custom-dark: #000000;

JSON

{
  "hex": "#37b538",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 56
  },
  "hsl": {
    "h": 120.476,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.67977,
    "c": 0.19707,
    "h": 143.1
  },
  "luminance": 0.34145
}

Semantic roles & 50–950 ramp

primary

#37B538

secondary

#C682C5

accent

#4BDCDD

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #37B538

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

Preview Lab → · Contrast checker → · Palette generator →