#31B448#31B448

#31B448 is a light, vivid green. Relative luminance 0.338; OKLCH L 67.7% C 0.186 H 145.8°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#31B448
RGB	rgb(49, 180, 72)
HSL	hsl(131, 57%, 45%)
HSV	hsv(131, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 60%, 29.4%)
CIE-LAB	lab(64.77, -57.06, 44.29)
CIE-LCH	lch(64.77, 72.23, 142.18°)
OKLab	oklab(67.74% -0.1539 0.1044)
OKLCH	oklch(67.74% 0.186 145.8)
XYZ	xyz(18.7563, 33.7612, 11.6577)
Luminance	0.3376 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B448 #B4319D

analogous

#5CB431 #31B448 #31B489

triadic

#31B448 #4831B4 #B44831

tetradic

#31B448 #315CB4 #B4319D #B48931

square

#31B448 #315CB4 #B4319D #B48931

split-complementary

#31B448 #8931B4 #B4315C

monochromatic

#175422 #248435 #31B448 #52D068 #82DD92

Accessibility & contrast

On white

2.71

#31B448 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#31B448 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B448

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B448	#FFFFFF	#000000	##000000
##31B448	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)

#B7A43D

Deuteranopia (green-blind)

#A89951

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b448;
/* rgb */ color: rgb(49, 180, 72);
/* oklch */ color: oklch(67.7% 0.186 145.8);

Tailwind

colors: {
  custom: {
    50: '#7ccc7e',
    500: '#31b448',
    950: '#000000',
  },
}

SCSS

$custom: #31b448;
$custom-light: #7ccc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b448",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 72
  },
  "hsl": {
    "h": 130.534,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67735,
    "c": 0.18599,
    "h": 145.8
  },
  "luminance": 0.33763
}

Semantic roles & 50–950 ramp

primary

#31B448

secondary

#C67BB9

accent

#47C6E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B448

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

Preview Lab → · Contrast checker → · Palette generator →