#37BF31#37BF31

#37BF31 is a light, highly saturated green. Relative luminance 0.383; OKLCH L 70.6% C 0.213 H 142.4°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#37BF31
RGB	rgb(55, 191, 49)
HSL	hsl(117, 59%, 47%)
HSV	hsv(117, 74%, 75%)
CMYK	cmyk(71.2%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(68.24, -61.97, 57.47)
CIE-LCH	lch(68.24, 84.52, 137.16°)
OKLab	oklab(70.58% -0.1685 0.1297)
OKLCH	oklch(70.58% 0.213 142.4)
XYZ	xyz(20.7595, 38.2933, 9.2024)
Luminance	0.3830 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BF31 #B931BF

analogous

#7EBF31 #37BF31 #31BF72

triadic

#37BF31 #3137BF #BF3137

tetradic

#37BF31 #317EBF #B931BF #BF7231

square

#37BF31 #317EBF #B931BF #BF7231

split-complementary

#37BF31 #7231BF #BF317E

monochromatic

#1B5E18 #298E25 #37BF31 #5ED459 #8DE18A

Accessibility & contrast

On white

2.43

#37BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#37BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BF31

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BF31	#FFFFFF	#000000	##000000
##37BF31	1.00	2.43	8.66	8.66
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD14

Deuteranopia (green-blind)

#B4A240

Tritanopia (blue-blind)

#08B9A4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #37bf31;
/* rgb */ color: rgb(55, 191, 49);
/* oklch */ color: oklch(70.6% 0.213 142.4);

Tailwind

colors: {
  custom: {
    50: '#82d372',
    500: '#37bf31',
    950: '#000000',
  },
}

SCSS

$custom: #37bf31;
$custom-light: #82d372;
$custom-dark: #000000;

JSON

{
  "hex": "#37bf31",
  "rgb": {
    "r": 55,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 117.465,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70582,
    "c": 0.21266,
    "h": 142.4
  },
  "luminance": 0.38296
}

Semantic roles & 50–950 ramp

primary

#37BF31

secondary

#C881CB

accent

#45E2DC

background

#F8FDF7

surface

#F0FAED

border

#CBD3C8

text

#0C1408

muted

#7D837B

Preview Lab

Preview with #37BF31

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

Preview Lab → · Contrast checker → · Palette generator →