#37E556#37E556

#37E556 is a light, highly saturated green. Relative luminance 0.575; OKLCH L 80.8% C 0.231 H 145.5°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#37E556
RGB	rgb(55, 229, 86)
HSL	hsl(131, 77%, 56%)
HSV	hsv(131, 76%, 90%)
CMYK	cmyk(76%, 0%, 62.4%, 10.2%)
CIE-LAB	lab(80.47, -70.64, 56.04)
CIE-LCH	lch(80.47, 90.17, 141.57°)
OKLab	oklab(80.83% -0.1905 0.1309)
OKLCH	oklch(80.83% 0.231 145.5)
XYZ	xyz(31.2723, 57.5190, 18.2564)
Luminance	0.5752 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37E556 #E537C6

analogous

#6FE537 #37E556 #37E5AD

triadic

#37E556 #5637E5 #E55637

tetradic

#37E556 #376FE5 #E537C6 #E5AD37

square

#37E556 #376FE5 #E537C6 #E5AD37

split-complementary

#37E556 #AD37E5 #E5376F

monochromatic

#138F29 #1AC538 #37E556 #6DEC84 #A3F3B2

Accessibility & contrast

On white

1.68

#37E556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#37E556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37E556

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37E556	#FFFFFF	#000000	##000000
##37E556	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D045

Deuteranopia (green-blind)

#D5C262

Tritanopia (blue-blind)

#00DFC7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #37e556;
/* rgb */ color: rgb(55, 229, 86);
/* oklch */ color: oklch(80.8% 0.231 145.5);

Tailwind

colors: {
  custom: {
    50: '#89ef8b',
    500: '#37e556',
    950: '#000000',
  },
}

SCSS

$custom: #37e556;
$custom-light: #89ef8b;
$custom-dark: #000000;

JSON

{
  "hex": "#37e556",
  "rgb": {
    "r": 55,
    "g": 229,
    "b": 86
  },
  "hsl": {
    "h": 130.69,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.80829,
    "c": 0.23109,
    "h": 145.5
  },
  "luminance": 0.57523
}

Semantic roles & 50–950 ramp

primary

#37E556

secondary

#942C81

accent

#34D1F4

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #37E556

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

Preview Lab → · Contrast checker → · Palette generator →