#37AF40#37AF40

#37AF40 is a light, vivid green. Relative luminance 0.318; OKLCH L 66.5% C 0.184 H 144.2°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#37AF40
RGB	rgb(55, 175, 64)
HSL	hsl(125, 52%, 45%)
HSV	hsv(125, 69%, 69%)
CMYK	cmyk(68.6%, 0%, 63.4%, 31.4%)
CIE-LAB	lab(63.21, -55.20, 46.17)
CIE-LCH	lch(63.21, 71.96, 140.09°)
OKLab	oklab(66.45% -0.1495 0.1077)
OKLCH	oklch(66.45% 0.184 144.2)
XYZ	xyz(17.8298, 31.8404, 10.0557)
Luminance	0.3184 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AF40 #AF37A6

analogous

#6AAF37 #37AF40 #37AF7C

triadic

#37AF40 #4037AF #AF4037

tetradic

#37AF40 #376AAF #AF37A6 #AF7C37

square

#37AF40 #376AAF #AF37A6 #AF7C37

split-complementary

#37AF40 #7C37AF #AF376A

monochromatic

#1A521E #28802F #37AF40 #59CB61 #87D98D

Accessibility & contrast

On white

2.85

#37AF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#37AF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AF40

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AF40	#FFFFFF	#000000	##000000
##37AF40	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29F33

Deuteranopia (green-blind)

#A4954A

Tritanopia (blue-blind)

#12AA98

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37af40;
/* rgb */ color: rgb(55, 175, 64);
/* oklch */ color: oklch(66.5% 0.184 144.2);

Tailwind

colors: {
  custom: {
    50: '#7ec879',
    500: '#37af40',
    950: '#000000',
  },
}

SCSS

$custom: #37af40;
$custom-light: #7ec879;
$custom-dark: #000000;

JSON

{
  "hex": "#37af40",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 64
  },
  "hsl": {
    "h": 124.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.66453,
    "c": 0.18422,
    "h": 144.2
  },
  "luminance": 0.31842
}

Semantic roles & 50–950 ramp

primary

#37AF40

secondary

#C37FBE

accent

#4CD1DC

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #37AF40

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

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