#31B443#31B443

#31B443 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.7% C 0.190 H 145.1°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#31B443
RGB	rgb(49, 180, 67)
HSL	hsl(128, 57%, 45%)
HSV	hsv(128, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 62.8%, 29.4%)
CIE-LAB	lab(64.72, -57.66, 46.50)
CIE-LCH	lch(64.72, 74.07, 141.11°)
OKLab	oklab(67.68% -0.1557 0.1087)
OKLCH	oklch(67.68% 0.19 145.1)
XYZ	xyz(18.5997, 33.6986, 10.8333)
Luminance	0.3370 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B443 #B431A2

analogous

#61B431 #31B443 #31B484

triadic

#31B443 #4331B4 #B44331

tetradic

#31B443 #3161B4 #B431A2 #B48431

square

#31B443 #3161B4 #B431A2 #B48431

split-complementary

#31B443 #8431B4 #B43161

monochromatic

#17541F #248431 #31B443 #52D064 #82DD8F

Accessibility & contrast

On white

2.71

#31B443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#31B443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B443

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B443	#FFFFFF	#000000	##000000
##31B443	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A336

Deuteranopia (green-blind)

#A8994D

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b443;
/* rgb */ color: rgb(49, 180, 67);
/* oklch */ color: oklch(67.7% 0.190 145.1);

Tailwind

colors: {
  custom: {
    50: '#7dcc7b',
    500: '#31b443',
    950: '#000000',
  },
}

SCSS

$custom: #31b443;
$custom-light: #7dcc7b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b443",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 67
  },
  "hsl": {
    "h": 128.244,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67678,
    "c": 0.18991,
    "h": 145.1
  },
  "luminance": 0.33701
}

Semantic roles & 50–950 ramp

primary

#31B443

secondary

#C67BBC

accent

#47CBE0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B443

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

Preview Lab → · Contrast checker → · Palette generator →