#37B540#37B540

#37B540 is a light, vivid green. Relative luminance 0.342; OKLCH L 68.1% C 0.191 H 144.1°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#37B540
RGB	rgb(55, 181, 64)
HSL	hsl(124, 53%, 46%)
HSV	hsv(124, 70%, 71%)
CMYK	cmyk(69.6%, 0%, 64.6%, 29%)
CIE-LAB	lab(65.14, -57.28, 48.32)
CIE-LCH	lch(65.14, 74.94, 139.85°)
OKLab	oklab(68.05% -0.1551 0.1123)
OKLCH	oklch(68.05% 0.191 144.1)
XYZ	xyz(19.0236, 34.2281, 10.4536)
Luminance	0.3423 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B540 #B537AC

analogous

#6DB537 #37B540 #37B57F

triadic

#37B540 #4037B5 #B54037

tetradic

#37B540 #376DB5 #B537AC #B57F37

square

#37B540 #376DB5 #B537AC #B57F37

split-complementary

#37B540 #7F37B5 #B5376D

monochromatic

#1A571F #29862F #37B540 #5CCD64 #8BDC91

Accessibility & contrast

On white

2.68

#37B540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#37B540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B540

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B540	#FFFFFF	#000000	##000000
##37B540	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A432

Deuteranopia (green-blind)

#AA9A4A

Tritanopia (blue-blind)

#0BB09D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37b540;
/* rgb */ color: rgb(55, 181, 64);
/* oklch */ color: oklch(68.1% 0.191 144.1);

Tailwind

colors: {
  custom: {
    50: '#7fcc7a',
    500: '#37b540',
    950: '#000000',
  },
}

SCSS

$custom: #37b540;
$custom-light: #7fcc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#37b540",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 64
  },
  "hsl": {
    "h": 124.286,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.68054,
    "c": 0.19147,
    "h": 144.1
  },
  "luminance": 0.3423
}

Semantic roles & 50–950 ramp

primary

#37B540

secondary

#C682C1

accent

#4BD2DD

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #37B540

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

Preview Lab → · Contrast checker → · Palette generator →