#31B150#31B150

#31B150 is a light, vivid green. Relative luminance 0.327; OKLCH L 67.0% C 0.176 H 147.4°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#31B150
RGB	rgb(49, 177, 80)
HSL	hsl(135, 57%, 44%)
HSV	hsv(135, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 54.8%, 30.6%)
CIE-LAB	lab(63.90, -54.95, 39.46)
CIE-LCH	lch(63.90, 67.66, 144.32°)
OKLab	oklab(67.04% -0.148 0.0945)
OKLCH	oklch(67.04% 0.176 147.4)
XYZ	xyz(18.4354, 32.6744, 12.9231)
Luminance	0.3268 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B150 #B13192

analogous

#52B131 #31B150 #31B190

triadic

#31B150 #5031B1 #B15031

tetradic

#31B150 #3152B1 #B13192 #B19031

square

#31B150 #3152B1 #B13192 #B19031

split-complementary

#31B150 #9031B1 #B13152

monochromatic

#165125 #24813A #31B150 #51CF6F #80DC97

Accessibility & contrast

On white

2.79

#31B150 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#31B150 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B150

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B150	#FFFFFF	#000000	##000000
##31B150	1.00	2.79	7.54	7.54
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A147

Deuteranopia (green-blind)

#A49757

Tritanopia (blue-blind)

#00AD9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b150;
/* rgb */ color: rgb(49, 177, 80);
/* oklch */ color: oklch(67.0% 0.176 147.4);

Tailwind

colors: {
  custom: {
    50: '#7bc983',
    500: '#31b150',
    950: '#000000',
  },
}

SCSS

$custom: #31b150;
$custom-light: #7bc983;
$custom-dark: #000000;

JSON

{
  "hex": "#31b150",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 80
  },
  "hsl": {
    "h": 134.531,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67039,
    "c": 0.17559,
    "h": 147.4
  },
  "luminance": 0.32676
}

Semantic roles & 50–950 ramp

primary

#31B150

secondary

#C579B3

accent

#48BBE0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B150

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

Preview Lab → · Contrast checker → · Palette generator →