#37AC31#37AC31

#37AC31 is a light, vivid green. Relative luminance 0.305; OKLCH L 65.5% C 0.191 H 142.4°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#37AC31
RGB	rgb(55, 172, 49)
HSL	hsl(117, 56%, 43%)
HSV	hsv(117, 72%, 67%)
CMYK	cmyk(68%, 0%, 71.5%, 32.5%)
CIE-LAB	lab(62.12, -55.65, 51.23)
CIE-LCH	lch(62.12, 75.64, 137.37°)
OKLab	oklab(65.51% -0.1514 0.1167)
OKLCH	oklch(65.51% 0.191 142.4)
XYZ	xyz(16.8815, 30.5373, 7.9098)
Luminance	0.3054 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AC31 #A631AC

analogous

#74AC31 #37AC31 #31AC68

triadic

#37AC31 #3137AC #AC3137

tetradic

#37AC31 #3174AC #A631AC #AC6831

square

#37AC31 #3174AC #A631AC #AC6831

split-complementary

#37AC31 #6831AC #AC3174

monochromatic

#194D16 #287C23 #37AC31 #54CC4E #82DA7D

Accessibility & contrast

On white

2.95

#37AC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#37AC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AC31

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AC31	#FFFFFF	#000000	##000000
##37AC31	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C1D

Deuteranopia (green-blind)

#A2923D

Tritanopia (blue-blind)

#1BA794

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37ac31;
/* rgb */ color: rgb(55, 172, 49);
/* oklch */ color: oklch(65.5% 0.191 142.4);

Tailwind

colors: {
  custom: {
    50: '#7ec670',
    500: '#37ac31',
    950: '#000000',
  },
}

SCSS

$custom: #37ac31;
$custom-light: #7ec670;
$custom-dark: #000000;

JSON

{
  "hex": "#37ac31",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 117.073,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.65506,
    "c": 0.19113,
    "h": 142.4
  },
  "luminance": 0.30539
}

Semantic roles & 50–950 ramp

primary

#37AC31

secondary

#BF76C3

accent

#49DFD8

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #37AC31

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

Preview Lab → · Contrast checker → · Palette generator →