#31B43F#31B43F

#31B43F is a light, vivid green. Relative luminance 0.337; OKLCH L 67.6% C 0.193 H 144.5°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#31B43F
RGB	rgb(49, 180, 63)
HSL	hsl(126, 57%, 45%)
HSV	hsv(126, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 65%, 29.4%)
CIE-LAB	lab(64.69, -58.10, 48.21)
CIE-LCH	lch(64.69, 75.50, 140.31°)
OKLab	oklab(67.64% -0.1571 0.112)
OKLCH	oklch(67.64% 0.193 144.5)
XYZ	xyz(18.4839, 33.6523, 10.2231)
Luminance	0.3365 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B43F #B431A6

analogous

#65B431 #31B43F #31B480

triadic

#31B43F #3F31B4 #B43F31

tetradic

#31B43F #3165B4 #B431A6 #B48031

square

#31B43F #3165B4 #B431A6 #B48031

split-complementary

#31B43F #8031B4 #B43165

monochromatic

#17541D #24842E #31B43F #52D060 #82DD8C

Accessibility & contrast

On white

2.72

#31B43F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#31B43F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B43F

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B43F	#FFFFFF	#000000	##000000
##31B43F	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A331

Deuteranopia (green-blind)

#A89949

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b43f;
/* rgb */ color: rgb(49, 180, 63);
/* oklch */ color: oklch(67.6% 0.193 144.5);

Tailwind

colors: {
  custom: {
    50: '#7dcc79',
    500: '#31b43f',
    950: '#000000',
  },
}

SCSS

$custom: #31b43f;
$custom-light: #7dcc79;
$custom-dark: #000000;

JSON

{
  "hex": "#31b43f",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 63
  },
  "hsl": {
    "h": 126.412,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67635,
    "c": 0.1929,
    "h": 144.5
  },
  "luminance": 0.33654
}

Semantic roles & 50–950 ramp

primary

#31B43F

secondary

#C67BBE

accent

#47D0E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B43F

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

Preview Lab → · Contrast checker → · Palette generator →