#31B568#31B568

#31B568 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.5% C 0.159 H 152.8°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#31B568
RGB	rgb(49, 181, 104)
HSL	hsl(145, 57%, 45%)
HSV	hsv(145, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 42.5%, 29%)
CIE-LAB	lab(65.51, -52.54, 29.32)
CIE-LCH	lch(65.51, 60.17, 150.83°)
OKLab	oklab(68.48% -0.1415 0.0726)
OKLCH	oklch(68.48% 0.159 152.8)
XYZ	xyz(20.2874, 34.6979, 18.7222)
Luminance	0.3470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B568 #B5317E

analogous

#3CB531 #31B568 #31B5AA

triadic

#31B568 #6831B5 #B56831

tetradic

#31B568 #313CB5 #B5317E #B5AA31

square

#31B568 #313CB5 #B5317E #B5AA31

split-complementary

#31B568 #AA31B5 #B5313C

monochromatic

#175531 #24854C #31B568 #53D087 #83DDA9

Accessibility & contrast

On white

2.64

#31B568 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#31B568 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B568

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B568	#FFFFFF	#000000	##000000
##31B568	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A662

Deuteranopia (green-blind)

#A59B6D

Tritanopia (blue-blind)

#00B3A2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b568;
/* rgb */ color: rgb(49, 181, 104);
/* oklch */ color: oklch(68.5% 0.159 152.8);

Tailwind

colors: {
  custom: {
    50: '#7ccc94',
    500: '#31b568',
    950: '#000000',
  },
}

SCSS

$custom: #31b568;
$custom-light: #7ccc94;
$custom-dark: #000000;

JSON

{
  "hex": "#31b568",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 104
  },
  "hsl": {
    "h": 145,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68484,
    "c": 0.15904,
    "h": 152.8
  },
  "luminance": 0.347
}

Semantic roles & 50–950 ramp

primary

#31B568

secondary

#C77BA7

accent

#47A1E1

background

#F8FCF9

surface

#EFF9F1

border

#CAD2CB

text

#0B130D

muted

#7C827E

Preview Lab

Preview with #31B568

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

Preview Lab → · Contrast checker → · Palette generator →