#31B166#31B166

#31B166 is a light, vivid green. Relative luminance 0.331; OKLCH L 67.4% C 0.156 H 152.9°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#31B166
RGB	rgb(49, 177, 102)
HSL	hsl(145, 57%, 44%)
HSV	hsv(145, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 42.4%, 30.6%)
CIE-LAB	lab(64.20, -51.39, 28.67)
CIE-LCH	lch(64.20, 58.85, 150.85°)
OKLab	oklab(67.39% -0.1385 0.071)
OKLCH	oklch(67.39% 0.156 152.9)
XYZ	xyz(19.3853, 33.0543, 17.9263)
Luminance	0.3306 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B166 #B1317C

analogous

#3CB131 #31B166 #31B1A6

triadic

#31B166 #6631B1 #B16631

tetradic

#31B166 #313CB1 #B1317C #B1A631

square

#31B166 #313CB1 #B1317C #B1A631

split-complementary

#31B166 #A631B1 #B1313C

monochromatic

#16512F #24814A #31B166 #51CF85 #80DCA6

Accessibility & contrast

On white

2.76

#31B166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#31B166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B166

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B166	#FFFFFF	#000000	##000000
##31B166	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A261

Deuteranopia (green-blind)

#A2976B

Tritanopia (blue-blind)

#00AF9F

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b166;
/* rgb */ color: rgb(49, 177, 102);
/* oklch */ color: oklch(67.4% 0.156 152.9);

Tailwind

colors: {
  custom: {
    50: '#7bc992',
    500: '#31b166',
    950: '#000000',
  },
}

SCSS

$custom: #31b166;
$custom-light: #7bc992;
$custom-dark: #000000;

JSON

{
  "hex": "#31b166",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 102
  },
  "hsl": {
    "h": 144.844,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67394,
    "c": 0.15561,
    "h": 152.9
  },
  "luminance": 0.33057
}

Semantic roles & 50–950 ramp

primary

#31B166

secondary

#C579A5

accent

#48A1E0

background

#F8FCF9

surface

#EFF8F1

border

#CAD1CB

text

#0B130D

muted

#7C827E

Preview Lab

Preview with #31B166

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

Preview Lab → · Contrast checker → · Palette generator →