#31B156#31B156

#31B156 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.1% C 0.170 H 148.7°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#31B156
RGB	rgb(49, 177, 86)
HSL	hsl(137, 57%, 44%)
HSV	hsv(137, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 51.4%, 30.6%)
CIE-LAB	lab(63.97, -54.07, 36.59)
CIE-LCH	lch(63.97, 65.29, 145.91°)
OKLab	oklab(67.13% -0.1455 0.0885)
OKLCH	oklch(67.13% 0.17 148.7)
XYZ	xyz(18.6670, 32.7670, 14.1432)
Luminance	0.3277 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B156 #B1318C

analogous

#4CB131 #31B156 #31B196

triadic

#31B156 #5631B1 #B15631

tetradic

#31B156 #314CB1 #B1318C #B19631

square

#31B156 #314CB1 #B1318C #B19631

split-complementary

#31B156 #9631B1 #B1314C

monochromatic

#165127 #24813F #31B156 #51CF75 #80DC9B

Accessibility & contrast

On white

2.78

#31B156 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#31B156 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B156

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B156	#FFFFFF	#000000	##000000
##31B156	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A14E

Deuteranopia (green-blind)

#A3975D

Tritanopia (blue-blind)

#00AD9C

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b156;
/* rgb */ color: rgb(49, 177, 86);
/* oklch */ color: oklch(67.1% 0.170 148.7);

Tailwind

colors: {
  custom: {
    50: '#7bc987',
    500: '#31b156',
    950: '#000000',
  },
}

SCSS

$custom: #31b156;
$custom-light: #7bc987;
$custom-dark: #000000;

JSON

{
  "hex": "#31b156",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 86
  },
  "hsl": {
    "h": 137.344,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67126,
    "c": 0.17031,
    "h": 148.7
  },
  "luminance": 0.32769
}

Semantic roles & 50–950 ramp

primary

#31B156

secondary

#C579AF

accent

#48B4E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B156

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

Preview Lab → · Contrast checker → · Palette generator →