#31B13B#31B13B

#31B13B is a light, vivid green. Relative luminance 0.324; OKLCH L 66.8% C 0.192 H 144.1°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#31B13B
RGB	rgb(49, 177, 59)
HSL	hsl(125, 57%, 44%)
HSV	hsv(125, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 66.7%, 30.6%)
CIE-LAB	lab(63.68, -57.51, 48.81)
CIE-LCH	lch(63.68, 75.43, 139.68°)
OKLab	oklab(66.79% -0.1557 0.1128)
OKLCH	oklch(66.79% 0.192 144.1)
XYZ	xyz(17.7770, 32.4110, 9.4559)
Luminance	0.3241 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B13B #B131A7

analogous

#67B131 #31B13B #31B17B

triadic

#31B13B #3B31B1 #B13B31

tetradic

#31B13B #3167B1 #B131A7 #B17B31

square

#31B13B #3167B1 #B131A7 #B17B31

split-complementary

#31B13B #7B31B1 #B13167

monochromatic

#16511B #24812B #31B13B #51CF5A #80DC88

Accessibility & contrast

On white

2.81

#31B13B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#31B13B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B13B

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B13B	#FFFFFF	#000000	##000000
##31B13B	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A02C

Deuteranopia (green-blind)

#A69646

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b13b;
/* rgb */ color: rgb(49, 177, 59);
/* oklch */ color: oklch(66.8% 0.192 144.1);

Tailwind

colors: {
  custom: {
    50: '#7cc976',
    500: '#31b13b',
    950: '#000000',
  },
}

SCSS

$custom: #31b13b;
$custom-light: #7cc976;
$custom-dark: #000000;

JSON

{
  "hex": "#31b13b",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 59
  },
  "hsl": {
    "h": 124.688,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66791,
    "c": 0.19223,
    "h": 144.1
  },
  "luminance": 0.32413
}

Semantic roles & 50–950 ramp

primary

#31B13B

secondary

#C579BF

accent

#48D4E0

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B13B

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

Preview Lab → · Contrast checker → · Palette generator →