#37AF51#37AF51

#37AF51 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.7% C 0.170 H 147.2°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#37AF51
RGB	rgb(55, 175, 81)
HSL	hsl(133, 52%, 45%)
HSV	hsv(133, 69%, 69%)
CMYK	cmyk(68.6%, 0%, 53.7%, 31.4%)
CIE-LAB	lab(63.40, -53.04, 38.40)
CIE-LCH	lch(63.40, 65.48, 144.09°)
OKLab	oklab(66.67% -0.143 0.0922)
OKLCH	oklch(66.67% 0.17 147.2)
XYZ	xyz(18.3894, 32.0643, 13.0029)
Luminance	0.3207 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AF51 #AF3795

analogous

#59AF37 #37AF51 #37AF8D

triadic

#37AF51 #5137AF #AF5137

tetradic

#37AF51 #3759AF #AF3795 #AF8D37

square

#37AF51 #3759AF #AF3795 #AF8D37

split-complementary

#37AF51 #8D37AF #AF3759

monochromatic

#1A5226 #28803B #37AF51 #59CB71 #87D999

Accessibility & contrast

On white

2.83

#37AF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#37AF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AF51

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AF51	#FFFFFF	#000000	##000000
##37AF51	1.00	2.83	7.41	7.41
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A049

Deuteranopia (green-blind)

#A39658

Tritanopia (blue-blind)

#01AB9A

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #37af51;
/* rgb */ color: rgb(55, 175, 81);
/* oklch */ color: oklch(66.7% 0.170 147.2);

Tailwind

colors: {
  custom: {
    50: '#7dc884',
    500: '#37af51',
    950: '#000000',
  },
}

SCSS

$custom: #37af51;
$custom-light: #7dc884;
$custom-dark: #000000;

JSON

{
  "hex": "#37af51",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 81
  },
  "hsl": {
    "h": 133,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.66666,
    "c": 0.17015,
    "h": 147.2
  },
  "luminance": 0.32066
}

Semantic roles & 50–950 ramp

primary

#37AF51

secondary

#C37FB4

accent

#4CBDDC

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #37AF51

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

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