#37CC40#37CC40

#37CC40 is a light, highly saturated green. Relative luminance 0.444; OKLCH L 74.1% C 0.218 H 143.7°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#37CC40
RGB	rgb(55, 204, 64)
HSL	hsl(124, 59%, 51%)
HSV	hsv(124, 73%, 80%)
CMYK	cmyk(73%, 0%, 68.6%, 20%)
CIE-LAB	lab(72.47, -64.91, 56.27)
CIE-LCH	lch(72.47, 85.90, 139.08°)
OKLab	oklab(74.13% -0.1758 0.129)
OKLCH	oklch(74.13% 0.218 143.7)
XYZ	xyz(24.0923, 44.3654, 12.1432)
Luminance	0.4437 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37CC40 #CC37C3

analogous

#78CC37 #37CC40 #37CC8A

triadic

#37CC40 #4037CC #CC4037

tetradic

#37CC40 #3778CC #CC37C3 #CC8A37

square

#37CC40 #3778CC #CC37C3 #CC8A37

split-complementary

#37CC40 #8A37CC #CC3778

monochromatic

#1C6D21 #289E2F #37CC40 #68D86F #99E59D

Accessibility & contrast

On white

2.13

#37CC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#37CC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37CC40

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37CC40	#FFFFFF	#000000	##000000
##37CC40	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92C

Deuteranopia (green-blind)

#BFAD4D

Tritanopia (blue-blind)

#00C6B0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #37cc40;
/* rgb */ color: rgb(55, 204, 64);
/* oklch */ color: oklch(74.1% 0.218 143.7);

Tailwind

colors: {
  custom: {
    50: '#84dd7c',
    500: '#37cc40',
    950: '#000000',
  },
}

SCSS

$custom: #37cc40;
$custom-light: #84dd7c;
$custom-dark: #000000;

JSON

{
  "hex": "#37cc40",
  "rgb": {
    "r": 55,
    "g": 204,
    "b": 64
  },
  "hsl": {
    "h": 123.624,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.74131,
    "c": 0.21808,
    "h": 143.7
  },
  "luminance": 0.44368
}

Semantic roles & 50–950 ramp

primary

#37CC40

secondary

#D08ECC

accent

#45D9E3

background

#F8FDF7

surface

#F0FBEE

border

#CBD4C9

text

#0D150A

muted

#7D837C

Preview Lab

Preview with #37CC40

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

Preview Lab → · Contrast checker → · Palette generator →