#31B047#31B047

#31B047 is a light, vivid green. Relative luminance 0.322; OKLCH L 66.7% C 0.182 H 145.9°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#31B047
RGB	rgb(49, 176, 71)
HSL	hsl(130, 56%, 44%)
HSV	hsv(130, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 59.7%, 31%)
CIE-LAB	lab(63.47, -55.80, 43.25)
CIE-LCH	lch(63.47, 70.60, 142.22°)
OKLab	oklab(66.66% -0.1505 0.1021)
OKLCH	oklch(66.66% 0.182 145.9)
XYZ	xyz(17.9280, 32.1566, 11.2220)
Luminance	0.3216 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B047 #B0319A

analogous

#5BB031 #31B047 #31B087

triadic

#31B047 #4731B0 #B04731

tetradic

#31B047 #315BB0 #B0319A #B08731

square

#31B047 #315BB0 #B0319A #B08731

split-complementary

#31B047 #8731B0 #B0315B

monochromatic

#165020 #248034 #31B047 #50CE66 #80DC90

Accessibility & contrast

On white

2.83

#31B047 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#31B047 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B047

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B047	#FFFFFF	#000000	##000000
##31B047	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A03C

Deuteranopia (green-blind)

#A49650

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b047;
/* rgb */ color: rgb(49, 176, 71);
/* oklch */ color: oklch(66.7% 0.182 145.9);

Tailwind

colors: {
  custom: {
    50: '#7cc97e',
    500: '#31b047',
    950: '#000000',
  },
}

SCSS

$custom: #31b047;
$custom-light: #7cc97e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b047",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 71
  },
  "hsl": {
    "h": 130.394,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66655,
    "c": 0.18189,
    "h": 145.9
  },
  "luminance": 0.32159
}

Semantic roles & 50–950 ramp

primary

#31B047

secondary

#C578B7

accent

#48C5E0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B047

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

Preview Lab → · Contrast checker → · Palette generator →