#31D366#31D366

#31D366 is a light, vivid green. Relative luminance 0.482; OKLCH L 76.3% C 0.199 H 149.1°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#31D366
RGB	rgb(49, 211, 102)
HSL	hsl(140, 65%, 51%)
HSV	hsv(140, 77%, 83%)
CMYK	cmyk(76.8%, 0%, 51.7%, 17.3%)
CIE-LAB	lab(74.95, -63.51, 42.27)
CIE-LCH	lch(74.95, 76.30, 146.35°)
OKLab	oklab(76.28% -0.1706 0.102)
OKLCH	oklch(76.28% 0.199 149.1)
XYZ	xyz(26.9569, 48.1976, 20.4501)
Luminance	0.4820 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31D366 #D3319E

analogous

#4DD331 #31D366 #31D3B7

triadic

#31D366 #6631D3 #D36631

tetradic

#31D366 #314DD3 #D3319E #D3B731

square

#31D366 #314DD3 #D3319E #D3B731

split-complementary

#31D366 #B731D3 #D3314D

monochromatic

#187135 #23A44D #31D366 #63DE8B #96E9B1

Accessibility & contrast

On white

1.97

#31D366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#31D366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31D366

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31D366	#FFFFFF	#000000	##000000
##31D366	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C05D

Deuteranopia (green-blind)

#C2B36E

Tritanopia (blue-blind)

#00CFBA

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #31d366;
/* rgb */ color: rgb(49, 211, 102);
/* oklch */ color: oklch(76.3% 0.199 149.1);

Tailwind

colors: {
  custom: {
    50: '#82e294',
    500: '#31d366',
    950: '#000000',
  },
}

SCSS

$custom: #31d366;
$custom-light: #82e294;
$custom-dark: #000000;

JSON

{
  "hex": "#31d366",
  "rgb": {
    "r": 49,
    "g": 211,
    "b": 102
  },
  "hsl": {
    "h": 139.63,
    "s": 64.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.76278,
    "c": 0.19882,
    "h": 149.1
  },
  "luminance": 0.48201
}

Semantic roles & 50–950 ramp

primary

#31D366

secondary

#D48CBC

accent

#40B1E8

background

#F8FEF9

surface

#F0FCF1

border

#CBD5CB

text

#0C150D

muted

#7D847E

Preview Lab

Preview with #31D366

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

Preview Lab → · Contrast checker → · Palette generator →