#37BF5B#37BF5B

#37BF5B is a light, vivid green. Relative luminance 0.388; OKLCH L 71.0% C 0.182 H 148.1°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#37BF5B
RGBrgb(55, 191, 91)
HSLhsl(136, 55%, 48%)
HSVhsv(136, 71%, 75%)
CMYKcmyk(71.2%, 0%, 52.4%, 25.1%)
CIE-LABlab(68.63, -57.34, 39.87)
CIE-LCHlch(68.63, 69.84, 145.19°)
OKLaboklab(71.03% -0.1544 0.0961)
OKLCHoklch(71.03% 0.182 148.1)
XYZxyz(22.0930, 38.8267, 16.2255)
Luminance0.3883 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37BF5B #BF379B
analogous
#57BF37 #37BF5B #37BF9F
triadic
#37BF5B #5B37BF #BF5B37
tetradic
#37BF5B #3757BF #BF379B #BF9F37
square
#37BF5B #3757BF #BF379B #BF9F37
split-complementary
#37BF5B #9F37BF #BF3757
monochromatic
#1C602E #298F44 #37BF5B #62D27F #91DFA6

Accessibility & contrast

On white

2.40
#37BF5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.77
#37BF5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BF5B
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37BF5B#FFFFFF#000000##000000
##37BF5B1.002.408.778.77
#FFFFFF2.401.0021.0021.00
#0000008.7721.001.001.00
##0000008.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1AE52
Deuteranopia (green-blind)
#B1A362
Tritanopia (blue-blind)
#00BBA8
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #37bf5b;
/* rgb */ color: rgb(55, 191, 91);
/* oklch */ color: oklch(71.0% 0.182 148.1);
Tailwind
colors: {
  custom: {
    50: '#80d38b',
    500: '#37bf5b',
    950: '#000000',
  },
}
SCSS
$custom: #37bf5b;
$custom-light: #80d38b;
$custom-dark: #000000;
JSON
{
  "hex": "#37bf5b",
  "rgb": {
    "r": 55,
    "g": 191,
    "b": 91
  },
  "hsl": {
    "h": 135.882,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.7103,
    "c": 0.18183,
    "h": 148.1
  },
  "luminance": 0.38829
}

Semantic roles & 50–950 ramp

primary
#37BF5B
secondary
#CA88B9
accent
#49B7DF
background
#F8FDF8
surface
#F0FAF0
border
#CBD3CB
text
#0C140C
muted
#7D837D

Preview Lab

Preview with #37BF5B

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

Preview Lab → · Contrast checker → · Palette generator →

#37BF5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva