#31B749#31B749

#31B749 is a light, vivid green. Relative luminance 0.350; OKLCH L 68.5% C 0.189 H 145.9°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#31B749
RGB	rgb(49, 183, 73)
HSL	hsl(131, 58%, 45%)
HSV	hsv(131, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 60.1%, 28.2%)
CIE-LAB	lab(65.75, -57.96, 44.96)
CIE-LCH	lch(65.75, 73.36, 142.20°)
OKLab	oklab(68.55% -0.1563 0.106)
OKLCH	oklch(68.55% 0.189 145.9)
XYZ	xyz(19.4013, 34.9988, 12.0350)
Luminance	0.3500 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B749 #B7319F

analogous

#5CB731 #31B749 #31B78C

triadic

#31B749 #4931B7 #B74931

tetradic

#31B749 #315CB7 #B7319F #B78C31

square

#31B749 #315CB7 #B7319F #B78C31

split-complementary

#31B749 #8C31B7 #B7315C

monochromatic

#175622 #248736 #31B749 #54D16A #84DE94

Accessibility & contrast

On white

2.62

#31B749 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#31B749 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B749

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B749	#FFFFFF	#000000	##000000
##31B749	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA63D

Deuteranopia (green-blind)

#AA9C52

Tritanopia (blue-blind)

#00B39F

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b749;
/* rgb */ color: rgb(49, 183, 73);
/* oklch */ color: oklch(68.5% 0.189 145.9);

Tailwind

colors: {
  custom: {
    50: '#7dce7f',
    500: '#31b749',
    950: '#000000',
  },
}

SCSS

$custom: #31b749;
$custom-light: #7dce7f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b749",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 73
  },
  "hsl": {
    "h": 130.746,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68547,
    "c": 0.18885,
    "h": 145.9
  },
  "luminance": 0.35001
}

Semantic roles & 50–950 ramp

primary

#31B749

secondary

#C87CBA

accent

#47C5E1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B140A

muted

#7C827C

Preview Lab

Preview with #31B749

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

Preview Lab → · Contrast checker → · Palette generator →