#31B340#31B340

#31B340 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.4% C 0.191 H 144.7°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#31B340
RGB	rgb(49, 179, 64)
HSL	hsl(127, 57%, 45%)
HSV	hsv(127, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 64.2%, 29.8%)
CIE-LAB	lab(64.37, -57.66, 47.43)
CIE-LCH	lch(64.37, 74.66, 140.56°)
OKLab	oklab(67.38% -0.1558 0.1104)
OKLCH	oklch(67.38% 0.191 144.7)
XYZ	xyz(18.3109, 33.2613, 10.3045)
Luminance	0.3326 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B340 #B331A4

analogous

#63B331 #31B340 #31B381

triadic

#31B340 #4031B3 #B34031

tetradic

#31B340 #3163B3 #B331A4 #B38131

square

#31B340 #3163B3 #B331A4 #B38131

split-complementary

#31B340 #8131B3 #B33163

monochromatic

#17531E #24832F #31B340 #52D060 #82DD8C

Accessibility & contrast

On white

2.74

#31B340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#31B340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B340

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B340	#FFFFFF	#000000	##000000
##31B340	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A232

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b340;
/* rgb */ color: rgb(49, 179, 64);
/* oklch */ color: oklch(67.4% 0.191 144.7);

Tailwind

colors: {
  custom: {
    50: '#7dcb79',
    500: '#31b340',
    950: '#000000',
  },
}

SCSS

$custom: #31b340;
$custom-light: #7dcb79;
$custom-dark: #000000;

JSON

{
  "hex": "#31b340",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 64
  },
  "hsl": {
    "h": 126.923,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67378,
    "c": 0.19097,
    "h": 144.7
  },
  "luminance": 0.33263
}

Semantic roles & 50–950 ramp

primary

#31B340

secondary

#C67ABD

accent

#48CFE0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B340

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

Preview Lab → · Contrast checker → · Palette generator →