#37B138#37B138

#37B138 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.9% C 0.192 H 143.2°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#37B138
RGB	rgb(55, 177, 56)
HSL	hsl(120, 53%, 45%)
HSV	hsv(120, 69%, 69%)
CMYK	cmyk(68.9%, 0%, 68.4%, 30.6%)
CIE-LAB	lab(63.79, -56.72, 50.21)
CIE-LCH	lch(63.79, 75.75, 138.48°)
OKLab	oklab(66.91% -0.154 0.1154)
OKLCH	oklch(66.91% 0.192 143.2)
XYZ	xyz(18.0104, 32.5401, 9.0723)
Luminance	0.3254 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B138 #B137B0

analogous

#73B137 #37B138 #37B175

triadic

#37B138 #3837B1 #B13837

tetradic

#37B138 #3773B1 #B137B0 #B17537

square

#37B138 #3773B1 #B137B0 #B17537

split-complementary

#37B138 #7537B1 #B13773

monochromatic

#1A541A #288229 #37B138 #5ACC5B #88DA89

Accessibility & contrast

On white

2.80

#37B138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#37B138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B138

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B138	#FFFFFF	#000000	##000000
##37B138	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A127

Deuteranopia (green-blind)

#A69743

Tritanopia (blue-blind)

#14AC98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37b138;
/* rgb */ color: rgb(55, 177, 56);
/* oklch */ color: oklch(66.9% 0.192 143.2);

Tailwind

colors: {
  custom: {
    50: '#7fc975',
    500: '#37b138',
    950: '#000000',
  },
}

SCSS

$custom: #37b138;
$custom-light: #7fc975;
$custom-dark: #000000;

JSON

{
  "hex": "#37b138",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 56
  },
  "hsl": {
    "h": 120.492,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.66908,
    "c": 0.19239,
    "h": 143.2
  },
  "luminance": 0.32542
}

Semantic roles & 50–950 ramp

primary

#37B138

secondary

#C480C4

accent

#4CDBDC

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #37B138

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

Preview Lab → · Contrast checker → · Palette generator →