#31B339#31B339

#31B339 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.3% C 0.196 H 143.8°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#31B339
RGB	rgb(49, 179, 57)
HSL	hsl(124, 57%, 45%)
HSV	hsv(124, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 68.2%, 29.8%)
CIE-LAB	lab(64.31, -58.38, 50.32)
CIE-LCH	lch(64.31, 77.08, 139.24°)
OKLab	oklab(67.31% -0.1581 0.1158)
OKLCH	oklch(67.31% 0.196 143.8)
XYZ	xyz(18.1241, 33.1865, 9.3206)
Luminance	0.3319 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B339 #B331AB

analogous

#6AB331 #31B339 #31B37A

triadic

#31B339 #3931B3 #B33931

tetradic

#31B339 #316AB3 #B331AB #B37A31

square

#31B339 #316AB3 #B331AB #B37A31

split-complementary

#31B339 #7A31B3 #B3316A

monochromatic

#17531A #24832A #31B339 #52D059 #82DD87

Accessibility & contrast

On white

2.75

#31B339 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#31B339 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B339

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B339	#FFFFFF	#000000	##000000
##31B339	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A228

Deuteranopia (green-blind)

#A89844

Tritanopia (blue-blind)

#00AE9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b339;
/* rgb */ color: rgb(49, 179, 57);
/* oklch */ color: oklch(67.3% 0.196 143.8);

Tailwind

colors: {
  custom: {
    50: '#7dcb75',
    500: '#31b339',
    950: '#000000',
  },
}

SCSS

$custom: #31b339;
$custom-light: #7dcb75;
$custom-dark: #000000;

JSON

{
  "hex": "#31b339",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 57
  },
  "hsl": {
    "h": 123.692,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67309,
    "c": 0.19596,
    "h": 143.8
  },
  "luminance": 0.33189
}

Semantic roles & 50–950 ramp

primary

#31B339

secondary

#C67AC1

accent

#48D7E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B339

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

Preview Lab → · Contrast checker → · Palette generator →