#37A421#37A421

#37A421 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.2% C 0.191 H 140.8°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#37A421
RGB	rgb(55, 164, 33)
HSL	hsl(110, 66%, 39%)
HSV	hsv(110, 80%, 64%)
CMYK	cmyk(66.5%, 0%, 79.9%, 35.7%)
CIE-LAB	lab(59.41, -54.09, 54.14)
CIE-LCH	lch(59.41, 76.53, 134.97°)
OKLab	oklab(63.23% -0.148 0.1206)
OKLCH	oklch(63.23% 0.191 140.8)
XYZ	xyz(15.1248, 27.4714, 5.9440)
Luminance	0.2747 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A421 #8E21A4

analogous

#78A421 #37A421 #21A44C

triadic

#37A421 #2137A4 #A42137

tetradic

#37A421 #2178A4 #8E21A4 #A44C21

square

#37A421 #2178A4 #8E21A4 #A44C21

split-complementary

#37A421 #4C21A4 #A42178

monochromatic

#153E0C #267117 #37A421 #49D52D #76DF60

Accessibility & contrast

On white

3.23

#37A421 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#37A421 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A421

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A421	#FFFFFF	#000000	##000000
##37A421	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89400

Deuteranopia (green-blind)

#9B8C31

Tritanopia (blue-blind)

#239F8C

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #37a421;
/* rgb */ color: rgb(55, 164, 33);
/* oklch */ color: oklch(63.2% 0.191 140.8);

Tailwind

colors: {
  custom: {
    50: '#7dc067',
    500: '#37a421',
    950: '#000000',
  },
}

SCSS

$custom: #37a421;
$custom-light: #7dc067;
$custom-dark: #000000;

JSON

{
  "hex": "#37a421",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 33
  },
  "hsl": {
    "h": 109.924,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63231,
    "c": 0.1909,
    "h": 140.8
  },
  "luminance": 0.27473
}

Semantic roles & 50–950 ramp

primary

#37A421

secondary

#B35DC4

accent

#3EE9CD

background

#F8FBF6

surface

#EFF7EB

border

#CAD0C6

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #37A421

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

Preview Lab → · Contrast checker → · Palette generator →