#31B170#31B170

#31B170 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.6% C 0.146 H 156.2°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#31B170
RGB	rgb(49, 177, 112)
HSL	hsl(150, 57%, 44%)
HSV	hsv(150, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 36.7%, 30.6%)
CIE-LAB	lab(64.37, -49.49, 23.58)
CIE-LCH	lch(64.37, 54.82, 154.52°)
OKLab	oklab(67.59% -0.1338 0.0592)
OKLCH	oklch(67.59% 0.146 156.2)
XYZ	xyz(19.9115, 33.2648, 20.6975)
Luminance	0.3327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B170 #B13172

analogous

#32B131 #31B170 #31B1B0

triadic

#31B170 #7031B1 #B17031

tetradic

#31B170 #3132B1 #B13172 #B1B031

square

#31B170 #3132B1 #B13172 #B1B031

split-complementary

#31B170 #B031B1 #B13132

monochromatic

#165133 #248152 #31B170 #51CF8F #80DCAD

Accessibility & contrast

On white

2.74

#31B170 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#31B170 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B170

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B170	#FFFFFF	#000000	##000000
##31B170	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A36C

Deuteranopia (green-blind)

#A09874

Tritanopia (blue-blind)

#00AFA0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b170;
/* rgb */ color: rgb(49, 177, 112);
/* oklch */ color: oklch(67.6% 0.146 156.2);

Tailwind

colors: {
  custom: {
    50: '#7bc999',
    500: '#31b170',
    950: '#000000',
  },
}

SCSS

$custom: #31b170;
$custom-light: #7bc999;
$custom-dark: #000000;

JSON

{
  "hex": "#31b170",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 112
  },
  "hsl": {
    "h": 149.531,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.6759,
    "c": 0.14633,
    "h": 156.2
  },
  "luminance": 0.33267
}

Semantic roles & 50–950 ramp

primary

#31B170

secondary

#C5799F

accent

#4895E0

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B170

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

Preview Lab → · Contrast checker → · Palette generator →