#31B15B#31B15B

#31B15B is a light, vivid green. Relative luminance 0.329; OKLCH L 67.2% C 0.166 H 149.9°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#31B15B
RGB	rgb(49, 177, 91)
HSL	hsl(140, 57%, 44%)
HSV	hsv(140, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 48.6%, 30.6%)
CIE-LAB	lab(64.04, -53.28, 34.15)
CIE-LCH	lch(64.04, 63.29, 147.34°)
OKLab	oklab(67.2% -0.1434 0.0832)
OKLCH	oklch(67.2% 0.166 149.9)
XYZ	xyz(18.8756, 32.8504, 15.2415)
Luminance	0.3285 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B15B #B13187

analogous

#47B131 #31B15B #31B19B

triadic

#31B15B #5B31B1 #B15B31

tetradic

#31B15B #3147B1 #B13187 #B19B31

square

#31B15B #3147B1 #B13187 #B19B31

split-complementary

#31B15B #9B31B1 #B13147

monochromatic

#16512A #248142 #31B15B #51CF7A #80DC9E

Accessibility & contrast

On white

2.77

#31B15B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#31B15B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B15B

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B15B	#FFFFFF	#000000	##000000
##31B15B	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A254

Deuteranopia (green-blind)

#A39761

Tritanopia (blue-blind)

#00AE9D

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b15b;
/* rgb */ color: rgb(49, 177, 91);
/* oklch */ color: oklch(67.2% 0.166 149.9);

Tailwind

colors: {
  custom: {
    50: '#7bc98b',
    500: '#31b15b',
    950: '#000000',
  },
}

SCSS

$custom: #31b15b;
$custom-light: #7bc98b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b15b",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 91
  },
  "hsl": {
    "h": 139.688,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67204,
    "c": 0.16579,
    "h": 149.9
  },
  "luminance": 0.32853
}

Semantic roles & 50–950 ramp

primary

#31B15B

secondary

#C579AC

accent

#48AEE0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B15B

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

Preview Lab → · Contrast checker → · Palette generator →