#31B343#31B343

#31B343 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.4% C 0.189 H 145.1°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#31B343
RGB	rgb(49, 179, 67)
HSL	hsl(128, 57%, 45%)
HSV	hsv(128, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 62.6%, 29.8%)
CIE-LAB	lab(64.40, -57.32, 46.14)
CIE-LCH	lch(64.40, 73.58, 141.17°)
OKLab	oklab(67.41% -0.1548 0.1079)
OKLCH	oklch(67.41% 0.189 145.1)
XYZ	xyz(18.3986, 33.2963, 10.7663)
Luminance	0.3330 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B343 #B331A1

analogous

#60B331 #31B343 #31B384

triadic

#31B343 #4331B3 #B34331

tetradic

#31B343 #3160B3 #B331A1 #B38431

square

#31B343 #3160B3 #B331A1 #B38431

split-complementary

#31B343 #8431B3 #B33160

monochromatic

#17531F #248331 #31B343 #52D063 #82DD8E

Accessibility & contrast

On white

2.74

#31B343 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#31B343 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B343

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B343	#FFFFFF	#000000	##000000
##31B343	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A236

Deuteranopia (green-blind)

#A7984D

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b343;
/* rgb */ color: rgb(49, 179, 67);
/* oklch */ color: oklch(67.4% 0.189 145.1);

Tailwind

colors: {
  custom: {
    50: '#7ccb7b',
    500: '#31b343',
    950: '#000000',
  },
}

SCSS

$custom: #31b343;
$custom-light: #7ccb7b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b343",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 67
  },
  "hsl": {
    "h": 128.308,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67411,
    "c": 0.18871,
    "h": 145.1
  },
  "luminance": 0.33298
}

Semantic roles & 50–950 ramp

primary

#31B343

secondary

#C67ABB

accent

#48CBE0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B343

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

Preview Lab → · Contrast checker → · Palette generator →