#37BB3F#37BB3F

#37BB3F is a light, vivid green. Relative luminance 0.367; OKLCH L 69.6% C 0.199 H 143.9°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#37BB3F
RGB	rgb(55, 187, 63)
HSL	hsl(124, 55%, 47%)
HSV	hsv(124, 71%, 73%)
CMYK	cmyk(70.6%, 0%, 66.3%, 26.7%)
CIE-LAB	lab(67.06, -59.42, 50.85)
CIE-LCH	lch(67.06, 78.21, 139.44°)
OKLab	oklab(69.64% -0.1609 0.1175)
OKLCH	oklch(69.64% 0.199 143.9)
XYZ	xyz(20.2418, 36.7095, 10.7205)
Luminance	0.3671 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BB3F #BB37B3

analogous

#71BB37 #37BB3F #37BB81

triadic

#37BB3F #3F37BB #BB3F37

tetradic

#37BB3F #3771BB #BB37B3 #BB8137

square

#37BB3F #3771BB #BB37B3 #BB8137

split-complementary

#37BB3F #8137BB #BB3771

monochromatic

#1B5C1F #298C2F #37BB3F #5FD066 #8EDE93

Accessibility & contrast

On white

2.52

#37BB3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#37BB3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BB3F

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BB3F	#FFFFFF	#000000	##000000
##37BB3F	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA2F

Deuteranopia (green-blind)

#AF9F4A

Tritanopia (blue-blind)

#03B6A2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37bb3f;
/* rgb */ color: rgb(55, 187, 63);
/* oklch */ color: oklch(69.6% 0.199 143.9);

Tailwind

colors: {
  custom: {
    50: '#81d17a',
    500: '#37bb3f',
    950: '#000000',
  },
}

SCSS

$custom: #37bb3f;
$custom-light: #81d17a;
$custom-dark: #000000;

JSON

{
  "hex": "#37bb3f",
  "rgb": {
    "r": 55,
    "g": 187,
    "b": 63
  },
  "hsl": {
    "h": 123.636,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69638,
    "c": 0.19929,
    "h": 143.9
  },
  "luminance": 0.36712
}

Semantic roles & 50–950 ramp

primary

#37BB3F

secondary

#C985C4

accent

#4AD5DE

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #37BB3F

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

Preview Lab → · Contrast checker → · Palette generator →