#37BB31#37BB31

#37BB31 is a light, highly saturated green. Relative luminance 0.366; OKLCH L 69.5% C 0.208 H 142.4°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#37BB31
RGB	rgb(55, 187, 49)
HSL	hsl(117, 58%, 46%)
HSV	hsv(117, 74%, 73%)
CMYK	cmyk(70.6%, 0%, 73.8%, 26.7%)
CIE-LAB	lab(66.96, -60.67, 56.18)
CIE-LCH	lch(66.96, 82.69, 137.20°)
OKLab	oklab(69.52% -0.165 0.127)
OKLCH	oklch(69.52% 0.208 142.4)
XYZ	xyz(19.8991, 36.5725, 8.9156)
Luminance	0.3658 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BB31 #B531BB

analogous

#7CBB31 #37BB31 #31BB70

triadic

#37BB31 #3137BB #BB3137

tetradic

#37BB31 #317CBB #B531BB #BB7031

square

#37BB31 #317CBB #B531BB #BB7031

split-complementary

#37BB31 #7031BB #BB317C

monochromatic

#1A5A18 #298B24 #37BB31 #5CD356 #8BE087

Accessibility & contrast

On white

2.53

#37BB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#37BB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BB31

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BB31	#FFFFFF	#000000	##000000
##37BB31	1.00	2.53	8.32	8.32
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA916

Deuteranopia (green-blind)

#B09F40

Tritanopia (blue-blind)

#0EB5A0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37bb31;
/* rgb */ color: rgb(55, 187, 49);
/* oklch */ color: oklch(69.5% 0.208 142.4);

Tailwind

colors: {
  custom: {
    50: '#81d172',
    500: '#37bb31',
    950: '#000000',
  },
}

SCSS

$custom: #37bb31;
$custom-light: #81d172;
$custom-dark: #000000;

JSON

{
  "hex": "#37bb31",
  "rgb": {
    "r": 55,
    "g": 187,
    "b": 49
  },
  "hsl": {
    "h": 117.391,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69519,
    "c": 0.20822,
    "h": 142.4
  },
  "luminance": 0.36575
}

Semantic roles & 50–950 ramp

primary

#37BB31

secondary

#C67FC9

accent

#46E2DB

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1408

muted

#7D827B

Preview Lab

Preview with #37BB31

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

Preview Lab → · Contrast checker → · Palette generator →