#37BB3B#37BB3B

#37BB3B is a light, highly saturated green. Relative luminance 0.367; OKLCH L 69.6% C 0.202 H 143.4°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX#37BB3B
RGBrgb(55, 187, 59)
HSLhsl(122, 55%, 47%)
HSVhsv(122, 71%, 73%)
CMYKcmyk(70.6%, 0%, 68.4%, 26.7%)
CIE-LABlab(67.03, -59.81, 52.45)
CIE-LCHlch(67.03, 79.56, 138.75°)
OKLaboklab(69.6% -0.1622 0.1205)
OKLCHoklch(69.6% 0.202 143.4)
XYZxyz(20.1340, 36.6664, 10.1531)
Luminance0.3667 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37BB3B #BB37B7
analogous
#75BB37 #37BB3B #37BB7D
triadic
#37BB3B #3B37BB #BB3B37
tetradic
#37BB3B #3775BB #BB37B7 #BB7D37
square
#37BB3B #3775BB #BB37B7 #BB7D37
split-complementary
#37BB3B #7D37BB #BB3775
monochromatic
#1B5C1D #298C2C #37BB3B #5FD063 #8EDE91

Accessibility & contrast

On white

2.52
#37BB3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.33
#37BB3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BB3B
8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37BB3B#FFFFFF#000000##000000
##37BB3B1.002.528.338.33
#FFFFFF2.521.0021.0021.00
#0000008.3321.001.001.00
##0000008.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFAA29
Deuteranopia (green-blind)
#B09F47
Tritanopia (blue-blind)
#07B6A1
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #37bb3b;
/* rgb */ color: rgb(55, 187, 59);
/* oklch */ color: oklch(69.6% 0.202 143.4);
Tailwind
colors: {
  custom: {
    50: '#81d177',
    500: '#37bb3b',
    950: '#000000',
  },
}
SCSS
$custom: #37bb3b;
$custom-light: #81d177;
$custom-dark: #000000;
JSON
{
  "hex": "#37bb3b",
  "rgb": {
    "r": 55,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 121.818,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69601,
    "c": 0.20203,
    "h": 143.4
  },
  "luminance": 0.36669
}

Semantic roles & 50–950 ramp

primary
#37BB3B
secondary
#C985C6
accent
#4AD9DE
background
#F8FCF7
surface
#F0F9ED
border
#CBD2C8
text
#0C1409
muted
#7D827B

Preview Lab

Preview with #37BB3B

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

Preview Lab → · Contrast checker → · Palette generator →

#37BB3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva