#37CA37#37CA37

#37CA37 is a light, highly saturated green. Relative luminance 0.433; OKLCH L 73.5% C 0.221 H 142.9°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#37CA37
RGB	rgb(55, 202, 55)
HSL	hsl(120, 58%, 50%)
HSV	hsv(120, 73%, 79%)
CMYK	cmyk(72.8%, 0%, 72.8%, 20.8%)
CIE-LAB	lab(71.78, -65.04, 58.92)
CIE-LCH	lch(71.78, 87.76, 137.83°)
OKLab	oklab(73.53% -0.1766 0.1335)
OKLCH	oklch(73.53% 0.221 142.9)
XYZ	xyz(23.3842, 43.3265, 10.7441)
Luminance	0.4333 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37CA37 #CA37CA

analogous

#80CA37 #37CA37 #37CA80

triadic

#37CA37 #3737CA #CA3737

tetradic

#37CA37 #3780CA #CA37CA #CA8037

square

#37CA37 #3780CA #CA37CA #CA8037

split-complementary

#37CA37 #8037CA #CA3780

monochromatic

#1C6A1C #299B29 #37CA37 #67D767 #98E498

Accessibility & contrast

On white

2.17

#37CA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#37CA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37CA37

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37CA37	#FFFFFF	#000000	##000000
##37CA37	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB71C

Deuteranopia (green-blind)

#BEAB46

Tritanopia (blue-blind)

#00C4AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #37ca37;
/* rgb */ color: rgb(55, 202, 55);
/* oklch */ color: oklch(73.5% 0.221 142.9);

Tailwind

colors: {
  custom: {
    50: '#84db77',
    500: '#37ca37',
    950: '#000000',
  },
}

SCSS

$custom: #37ca37;
$custom-light: #84db77;
$custom-dark: #000000;

JSON

{
  "hex": "#37ca37",
  "rgb": {
    "r": 55,
    "g": 202,
    "b": 55
  },
  "hsl": {
    "h": 120,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.73533,
    "c": 0.22135,
    "h": 142.9
  },
  "luminance": 0.43329
}

Semantic roles & 50–950 ramp

primary

#37CA37

secondary

#CF8ECF

accent

#46E1E1

background

#F8FDF7

surface

#F0FBEE

border

#CBD4C9

text

#0D1509

muted

#7D837B

Preview Lab

Preview with #37CA37

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

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