#31B154#31B154

#31B154 is a light, vivid green. Relative luminance 0.327; OKLCH L 67.1% C 0.172 H 148.3°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#31B154
RGB	rgb(49, 177, 84)
HSL	hsl(136, 57%, 44%)
HSV	hsv(136, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 52.5%, 30.6%)
CIE-LAB	lab(63.95, -54.37, 37.56)
CIE-LCH	lch(63.95, 66.08, 145.36°)
OKLab	oklab(67.1% -0.1463 0.0905)
OKLCH	oklch(67.1% 0.172 148.3)
XYZ	xyz(18.5876, 32.7352, 13.7247)
Luminance	0.3274 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B154 #B1318E

analogous

#4EB131 #31B154 #31B194

triadic

#31B154 #5431B1 #B15431

tetradic

#31B154 #314EB1 #B1318E #B19431

square

#31B154 #314EB1 #B1318E #B19431

split-complementary

#31B154 #9431B1 #B1314E

monochromatic

#165127 #24813D #31B154 #51CF73 #80DC99

Accessibility & contrast

On white

2.78

#31B154 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#31B154 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B154

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B154	#FFFFFF	#000000	##000000
##31B154	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)

#B3A14C

Deuteranopia (green-blind)

#A4975B

Tritanopia (blue-blind)

#00AD9C

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b154;
/* rgb */ color: rgb(49, 177, 84);
/* oklch */ color: oklch(67.1% 0.172 148.3);

Tailwind

colors: {
  custom: {
    50: '#7bc986',
    500: '#31b154',
    950: '#000000',
  },
}

SCSS

$custom: #31b154;
$custom-light: #7bc986;
$custom-dark: #000000;

JSON

{
  "hex": "#31b154",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 84
  },
  "hsl": {
    "h": 136.406,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67096,
    "c": 0.17209,
    "h": 148.3
  },
  "luminance": 0.32737
}

Semantic roles & 50–950 ramp

primary

#31B154

secondary

#C579B0

accent

#48B6E0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B154

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

Preview Lab → · Contrast checker → · Palette generator →