#37B031#37B031

#37B031 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.6% C 0.196 H 142.4°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#37B031
RGB	rgb(55, 176, 49)
HSL	hsl(117, 56%, 44%)
HSV	hsv(117, 72%, 69%)
CMYK	cmyk(68.8%, 0%, 72.2%, 31%)
CIE-LAB	lab(63.41, -57.01, 52.57)
CIE-LCH	lch(63.41, 77.55, 137.32°)
OKLab	oklab(66.58% -0.1551 0.1195)
OKLCH	oklch(66.58% 0.196 142.4)
XYZ	xyz(17.6542, 32.0828, 8.1673)
Luminance	0.3209 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B031 #AA31B0

analogous

#77B031 #37B031 #31B06B

triadic

#37B031 #3137B0 #B03137

tetradic

#37B031 #3177B0 #AA31B0 #B06B31

square

#37B031 #3177B0 #AA31B0 #B06B31

split-complementary

#37B031 #6B31B0 #B03177

monochromatic

#195016 #288024 #37B031 #56CE50 #84DC80

Accessibility & contrast

On white

2.83

#37B031 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#37B031 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B031

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B031	#FFFFFF	#000000	##000000
##37B031	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F1B

Deuteranopia (green-blind)

#A6963E

Tritanopia (blue-blind)

#18AB97

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37b031;
/* rgb */ color: rgb(55, 176, 49);
/* oklch */ color: oklch(66.6% 0.196 142.4);

Tailwind

colors: {
  custom: {
    50: '#7fc971',
    500: '#37b031',
    950: '#000000',
  },
}

SCSS

$custom: #37b031;
$custom-light: #7fc971;
$custom-dark: #000000;

JSON

{
  "hex": "#37b031",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 49
  },
  "hsl": {
    "h": 117.165,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.6658,
    "c": 0.19576,
    "h": 142.4
  },
  "luminance": 0.32085
}

Semantic roles & 50–950 ramp

primary

#37B031

secondary

#C178C5

accent

#48E0D9

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #37B031

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

Preview Lab → · Contrast checker → · Palette generator →