#31B144#31B144

#31B144 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.9% C 0.186 H 145.3°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#31B144
RGB	rgb(49, 177, 68)
HSL	hsl(129, 57%, 44%)
HSV	hsv(129, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 61.6%, 30.6%)
CIE-LAB	lab(63.76, -56.52, 44.96)
CIE-LCH	lch(63.76, 72.22, 141.49°)
OKLab	oklab(66.89% -0.1526 0.1055)
OKLCH	oklch(66.89% 0.186 145.3)
XYZ	xyz(18.0309, 32.5126, 10.7930)
Luminance	0.3251 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B144 #B1319E

analogous

#5EB131 #31B144 #31B184

triadic

#31B144 #4431B1 #B14431

tetradic

#31B144 #315EB1 #B1319E #B18431

square

#31B144 #315EB1 #B1319E #B18431

split-complementary

#31B144 #8431B1 #B1315E

monochromatic

#16511F #248132 #31B144 #51CF63 #80DC8E

Accessibility & contrast

On white

2.80

#31B144 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#31B144 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B144

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B144	#FFFFFF	#000000	##000000
##31B144	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A138

Deuteranopia (green-blind)

#A5964D

Tritanopia (blue-blind)

#00AD9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b144;
/* rgb */ color: rgb(49, 177, 68);
/* oklch */ color: oklch(66.9% 0.186 145.3);

Tailwind

colors: {
  custom: {
    50: '#7cc97c',
    500: '#31b144',
    950: '#000000',
  },
}

SCSS

$custom: #31b144;
$custom-light: #7cc97c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b144",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 68
  },
  "hsl": {
    "h": 128.906,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66887,
    "c": 0.18551,
    "h": 145.3
  },
  "luminance": 0.32515
}

Semantic roles & 50–950 ramp

primary

#31B144

secondary

#C579BA

accent

#48C9E0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B144

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

Preview Lab → · Contrast checker → · Palette generator →