#37CA5B#37CA5B

#37CA5B is a light, vivid green. Relative luminance 0.438; OKLCH L 73.9% C 0.196 H 147.4°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#37CA5B
RGB	rgb(55, 202, 91)
HSL	hsl(135, 58%, 50%)
HSV	hsv(135, 73%, 79%)
CMYK	cmyk(72.8%, 0%, 55%, 20.8%)
CIE-LAB	lab(72.10, -61.17, 44.08)
CIE-LCH	lch(72.10, 75.40, 144.22°)
OKLab	oklab(73.9% -0.1647 0.1054)
OKLCH	oklch(73.9% 0.196 147.4)
XYZ	xyz(24.5826, 43.8058, 17.0553)
Luminance	0.4381 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37CA5B #CA37A6

analogous

#5CCA37 #37CA5B #37CAA5

triadic

#37CA5B #5B37CA #CA5B37

tetradic

#37CA5B #375CCA #CA37A6 #CAA537

square

#37CA5B #375CCA #CA37A6 #CAA537

split-complementary

#37CA5B #A537CA #CA375C

monochromatic

#1C6A2F #299B45 #37CA5B #67D783 #98E4AA

Accessibility & contrast

On white

2.15

#37CA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#37CA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37CA5B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37CA5B	#FFFFFF	#000000	##000000
##37CA5B	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB851

Deuteranopia (green-blind)

#BBAC64

Tritanopia (blue-blind)

#00C6B1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #37ca5b;
/* rgb */ color: rgb(55, 202, 91);
/* oklch */ color: oklch(73.9% 0.196 147.4);

Tailwind

colors: {
  custom: {
    50: '#83db8c',
    500: '#37ca5b',
    950: '#000000',
  },
}

SCSS

$custom: #37ca5b;
$custom-light: #83db8c;
$custom-dark: #000000;

JSON

{
  "hex": "#37ca5b",
  "rgb": {
    "r": 55,
    "g": 202,
    "b": 91
  },
  "hsl": {
    "h": 134.694,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.73904,
    "c": 0.19551,
    "h": 147.4
  },
  "luminance": 0.43809
}

Semantic roles & 50–950 ramp

primary

#37CA5B

secondary

#CF8EBF

accent

#46BBE1

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0C150C

muted

#7D837D

Preview Lab

Preview with #37CA5B

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

Preview Lab → · Contrast checker → · Palette generator →