#31B347#31B347

#31B347 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.186 H 145.7°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#31B347
RGB	rgb(49, 179, 71)
HSL	hsl(130, 57%, 45%)
HSV	hsv(130, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 60.3%, 29.8%)
CIE-LAB	lab(64.44, -56.84, 44.37)
CIE-LCH	lch(64.44, 72.11, 142.02°)
OKLab	oklab(67.46% -0.1533 0.1045)
OKLCH	oklch(67.46% 0.186 145.7)
XYZ	xyz(18.5228, 33.3460, 11.4203)
Luminance	0.3335 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B347 #B3319D

analogous

#5CB331 #31B347 #31B388

triadic

#31B347 #4731B3 #B34731

tetradic

#31B347 #315CB3 #B3319D #B38831

square

#31B347 #315CB3 #B3319D #B38831

split-complementary

#31B347 #8831B3 #B3315C

monochromatic

#175321 #248334 #31B347 #52D067 #82DD91

Accessibility & contrast

On white

2.74

#31B347 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#31B347 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B347

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B347	#FFFFFF	#000000	##000000
##31B347	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A33C

Deuteranopia (green-blind)

#A79850

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b347;
/* rgb */ color: rgb(49, 179, 71);
/* oklch */ color: oklch(67.5% 0.186 145.7);

Tailwind

colors: {
  custom: {
    50: '#7ccb7e',
    500: '#31b347',
    950: '#000000',
  },
}

SCSS

$custom: #31b347;
$custom-light: #7ccb7e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b347",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 71
  },
  "hsl": {
    "h": 130.154,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67457,
    "c": 0.18558,
    "h": 145.7
  },
  "luminance": 0.33348
}

Semantic roles & 50–950 ramp

primary

#31B347

secondary

#C67AB9

accent

#48C6E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B347

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

Preview Lab → · Contrast checker → · Palette generator →