#37A521#37A521

#37A521 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.5% C 0.192 H 140.9°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#37A521
RGB	rgb(55, 165, 33)
HSL	hsl(110, 67%, 39%)
HSV	hsv(110, 80%, 65%)
CMYK	cmyk(66.7%, 0%, 80%, 35.3%)
CIE-LAB	lab(59.74, -54.43, 54.45)
CIE-LCH	lch(59.74, 76.99, 134.99°)
OKLab	oklab(63.5% -0.1489 0.1212)
OKLCH	oklch(63.5% 0.192 140.9)
XYZ	xyz(15.3044, 27.8307, 6.0039)
Luminance	0.2783 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A521 #8F21A5

analogous

#79A521 #37A521 #21A54D

triadic

#37A521 #2137A5 #A52137

tetradic

#37A521 #2179A5 #8F21A5 #A54D21

square

#37A521 #2179A5 #8F21A5 #A54D21

split-complementary

#37A521 #4D21A5 #A52179

monochromatic

#153F0D #267217 #37A521 #4AD52E #76DF61

Accessibility & contrast

On white

3.20

#37A521 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#37A521 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A521

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A521	#FFFFFF	#000000	##000000
##37A521	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#9C8D31

Tritanopia (blue-blind)

#22A08D

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #37a521;
/* rgb */ color: rgb(55, 165, 33);
/* oklch */ color: oklch(63.5% 0.192 140.9);

Tailwind

colors: {
  custom: {
    50: '#7dc168',
    500: '#37a521',
    950: '#000000',
  },
}

SCSS

$custom: #37a521;
$custom-light: #7dc168;
$custom-dark: #000000;

JSON

{
  "hex": "#37a521",
  "rgb": {
    "r": 55,
    "g": 165,
    "b": 33
  },
  "hsl": {
    "h": 110,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63502,
    "c": 0.19202,
    "h": 140.9
  },
  "luminance": 0.27832
}

Semantic roles & 50–950 ramp

primary

#37A521

secondary

#B35EC4

accent

#3EEACD

background

#F8FCF6

surface

#EFF8EB

border

#CAD1C6

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #37A521

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

Preview Lab → · Contrast checker → · Palette generator →