#31B370#31B370

#31B370 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.1% C 0.149 H 155.8°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B370
RGB	rgb(49, 179, 112)
HSL	hsl(149, 57%, 45%)
HSV	hsv(149, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 37.4%, 29.8%)
CIE-LAB	lab(65.01, -50.26, 24.43)
CIE-LCH	lch(65.01, 55.89, 154.08°)
OKLab	oklab(68.11% -0.1358 0.0612)
OKLCH	oklch(68.11% 0.149 155.8)
XYZ	xyz(20.3094, 34.0607, 20.8301)
Luminance	0.3406 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B370 #B33174

analogous

#33B331 #31B370 #31B3B1

triadic

#31B370 #7031B3 #B37031

tetradic

#31B370 #3133B3 #B33174 #B3B131

square

#31B370 #3133B3 #B33174 #B3B131

split-complementary

#31B370 #B131B3 #B33133

monochromatic

#175334 #248352 #31B370 #52D08F #82DDAE

Accessibility & contrast

On white

2.69

#31B370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B370

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B370	#FFFFFF	#000000	##000000
##31B370	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A56C

Deuteranopia (green-blind)

#A29974

Tritanopia (blue-blind)

#00B1A2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b370;
/* rgb */ color: rgb(49, 179, 112);
/* oklch */ color: oklch(68.1% 0.149 155.8);

Tailwind

colors: {
  custom: {
    50: '#7bcb99',
    500: '#31b370',
    950: '#000000',
  },
}

SCSS

$custom: #31b370;
$custom-light: #7bcb99;
$custom-dark: #000000;

JSON

{
  "hex": "#31b370",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 112
  },
  "hsl": {
    "h": 149.077,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.68114,
    "c": 0.14899,
    "h": 155.8
  },
  "luminance": 0.34063
}

Semantic roles & 50–950 ramp

primary

#31B370

secondary

#C67AA1

accent

#4896E0

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B370

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

Preview Lab → · Contrast checker → · Palette generator →