#37CA31#37CA31

#37CA31 is a light, highly saturated green. Relative luminance 0.433; OKLCH L 73.5% C 0.225 H 142.4°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#37CA31
RGB	rgb(55, 202, 49)
HSL	hsl(118, 61%, 49%)
HSV	hsv(118, 76%, 79%)
CMYK	cmyk(72.8%, 0%, 75.7%, 20.8%)
CIE-LAB	lab(71.74, -65.49, 60.94)
CIE-LCH	lch(71.74, 89.46, 137.06°)
OKLab	oklab(73.49% -0.1781 0.1369)
OKLCH	oklch(73.49% 0.225 142.4)
XYZ	xyz(23.2491, 43.2724, 10.0323)
Luminance	0.4328 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37CA31 #C431CA

analogous

#84CA31 #37CA31 #31CA78

triadic

#37CA31 #3137CA #CA3137

tetradic

#37CA31 #3184CA #C431CA #CA7831

square

#37CA31 #3184CA #C431CA #CA7831

split-complementary

#37CA31 #7831CA #CA3184

monochromatic

#1C6719 #2A9925 #37CA31 #65D860 #94E491

Accessibility & contrast

On white

2.18

#37CA31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.65

#37CA31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37CA31

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37CA31	#FFFFFF	#000000	##000000
##37CA31	1.00	2.18	9.65	9.65
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.65	21.00	1.00	1.00
##000000	9.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB70C

Deuteranopia (green-blind)

#BEAB42

Tritanopia (blue-blind)

#00C4AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #37ca31;
/* rgb */ color: rgb(55, 202, 49);
/* oklch */ color: oklch(73.5% 0.225 142.4);

Tailwind

colors: {
  custom: {
    50: '#85db74',
    500: '#37ca31',
    950: '#000000',
  },
}

SCSS

$custom: #37ca31;
$custom-light: #85db74;
$custom-dark: #000000;

JSON

{
  "hex": "#37ca31",
  "rgb": {
    "r": 55,
    "g": 202,
    "b": 49
  },
  "hsl": {
    "h": 117.647,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.73491,
    "c": 0.22462,
    "h": 142.4
  },
  "luminance": 0.43275
}

Semantic roles & 50–950 ramp

primary

#37CA31

secondary

#CC88CF

accent

#44E4DE

background

#F9FDF7

surface

#F1FBED

border

#CBD4C8

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #37CA31

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

Preview Lab → · Contrast checker → · Palette generator →