#37AF37#37AF37

#37AF37 is a light, vivid green. Relative luminance 0.317; OKLCH L 66.4% C 0.191 H 143.1°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#37AF37
RGB	rgb(55, 175, 55)
HSL	hsl(120, 52%, 45%)
HSV	hsv(120, 69%, 69%)
CMYK	cmyk(68.6%, 0%, 68.6%, 31.4%)
CIE-LAB	lab(63.13, -56.13, 49.92)
CIE-LCH	lch(63.13, 75.12, 138.35°)
OKLab	oklab(66.36% -0.1524 0.1146)
OKLCH	oklch(66.36% 0.191 143.1)
XYZ	xyz(17.5941, 31.7461, 8.8141)
Luminance	0.3175 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AF37 #AF37AF

analogous

#73AF37 #37AF37 #37AF73

triadic

#37AF37 #3737AF #AF3737

tetradic

#37AF37 #3773AF #AF37AF #AF7337

square

#37AF37 #3773AF #AF37AF #AF7337

split-complementary

#37AF37 #7337AF #AF3773

monochromatic

#1A521A #288028 #37AF37 #59CB59 #87D987

Accessibility & contrast

On white

2.86

#37AF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#37AF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AF37

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AF37	#FFFFFF	#000000	##000000
##37AF37	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F26

Deuteranopia (green-blind)

#A59542

Tritanopia (blue-blind)

#16AA97

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37af37;
/* rgb */ color: rgb(55, 175, 55);
/* oklch */ color: oklch(66.4% 0.191 143.1);

Tailwind

colors: {
  custom: {
    50: '#7ec874',
    500: '#37af37',
    950: '#000000',
  },
}

SCSS

$custom: #37af37;
$custom-light: #7ec874;
$custom-dark: #000000;

JSON

{
  "hex": "#37af37",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 55
  },
  "hsl": {
    "h": 120,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.66363,
    "c": 0.19071,
    "h": 143.1
  },
  "luminance": 0.31748
}

Semantic roles & 50–950 ramp

primary

#37AF37

secondary

#C37FC3

accent

#4CDCDC

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #37AF37

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

Preview Lab → · Contrast checker → · Palette generator →