#31B446#31B446

#31B446 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.7% C 0.188 H 145.5°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#31B446
RGB	rgb(49, 180, 70)
HSL	hsl(130, 57%, 45%)
HSV	hsv(130, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 61.1%, 29.4%)
CIE-LAB	lab(64.75, -57.30, 45.19)
CIE-LCH	lch(64.75, 72.98, 141.74°)
OKLab	oklab(67.71% -0.1546 0.1062)
OKLCH	oklch(67.71% 0.188 145.5)
XYZ	xyz(18.6921, 33.7356, 11.3197)
Luminance	0.3374 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B446 #B4319F

analogous

#5EB431 #31B446 #31B487

triadic

#31B446 #4631B4 #B44631

tetradic

#31B446 #315EB4 #B4319F #B48731

square

#31B446 #315EB4 #B4319F #B48731

split-complementary

#31B446 #8731B4 #B4315E

monochromatic

#175421 #248433 #31B446 #52D066 #82DD91

Accessibility & contrast

On white

2.71

#31B446 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#31B446 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B446

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B446	#FFFFFF	#000000	##000000
##31B446	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A33A

Deuteranopia (green-blind)

#A8994F

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b446;
/* rgb */ color: rgb(49, 180, 70);
/* oklch */ color: oklch(67.7% 0.188 145.5);

Tailwind

colors: {
  custom: {
    50: '#7dcc7d',
    500: '#31b446',
    950: '#000000',
  },
}

SCSS

$custom: #31b446;
$custom-light: #7dcc7d;
$custom-dark: #000000;

JSON

{
  "hex": "#31b446",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 70
  },
  "hsl": {
    "h": 129.618,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67712,
    "c": 0.18758,
    "h": 145.5
  },
  "luminance": 0.33738
}

Semantic roles & 50–950 ramp

primary

#31B446

secondary

#C67BBA

accent

#47C8E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B446

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

Preview Lab → · Contrast checker → · Palette generator →