#31B43B#31B43B

#31B43B is a light, vivid green. Relative luminance 0.336; OKLCH L 67.6% C 0.196 H 144.0°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#31B43B
RGB	rgb(49, 180, 59)
HSL	hsl(125, 57%, 45%)
HSV	hsv(125, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 67.2%, 29.4%)
CIE-LAB	lab(64.65, -58.52, 49.87)
CIE-LCH	lch(64.65, 76.88, 139.56°)
OKLab	oklab(67.6% -0.1584 0.115)
OKLCH	oklch(67.6% 0.196 144)
XYZ	xyz(18.3761, 33.6092, 9.6556)
Luminance	0.3361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B43B #B431AA

analogous

#69B431 #31B43B #31B47C

triadic

#31B43B #3B31B4 #B43B31

tetradic

#31B43B #3169B4 #B431AA #B47C31

square

#31B43B #3169B4 #B431AA #B47C31

split-complementary

#31B43B #7C31B4 #B43169

monochromatic

#17541B #24842B #31B43B #52D05C #82DD89

Accessibility & contrast

On white

2.72

#31B43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#31B43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B43B

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B43B	#FFFFFF	#000000	##000000
##31B43B	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A32B

Deuteranopia (green-blind)

#A89946

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b43b;
/* rgb */ color: rgb(49, 180, 59);
/* oklch */ color: oklch(67.6% 0.196 144.0);

Tailwind

colors: {
  custom: {
    50: '#7dcc77',
    500: '#31b43b',
    950: '#000000',
  },
}

SCSS

$custom: #31b43b;
$custom-light: #7dcc77;
$custom-dark: #000000;

JSON

{
  "hex": "#31b43b",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 59
  },
  "hsl": {
    "h": 124.58,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67596,
    "c": 0.19575,
    "h": 144
  },
  "luminance": 0.33611
}

Semantic roles & 50–950 ramp

primary

#31B43B

secondary

#C67BC0

accent

#47D5E0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B43B

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

Preview Lab → · Contrast checker → · Palette generator →