#31B348#31B348

#31B348 is a light, vivid green. Relative luminance 0.334; OKLCH L 67.5% C 0.185 H 145.9°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#31B348
RGB	rgb(49, 179, 72)
HSL	hsl(131, 57%, 45%)
HSV	hsv(131, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 59.8%, 29.8%)
CIE-LAB	lab(64.45, -56.72, 43.92)
CIE-LCH	lch(64.45, 71.73, 142.25°)
OKLab	oklab(67.47% -0.153 0.1036)
OKLCH	oklch(67.47% 0.185 145.9)
XYZ	xyz(18.5551, 33.3590, 11.5907)
Luminance	0.3336 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B348 #B3319C

analogous

#5BB331 #31B348 #31B389

triadic

#31B348 #4831B3 #B34831

tetradic

#31B348 #315BB3 #B3319C #B38931

square

#31B348 #315BB3 #B3319C #B38931

split-complementary

#31B348 #8931B3 #B3315B

monochromatic

#175321 #248335 #31B348 #52D068 #82DD92

Accessibility & contrast

On white

2.74

#31B348 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#31B348 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B348

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B348	#FFFFFF	#000000	##000000
##31B348	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A33D

Deuteranopia (green-blind)

#A79851

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b348;
/* rgb */ color: rgb(49, 179, 72);
/* oklch */ color: oklch(67.5% 0.185 145.9);

Tailwind

colors: {
  custom: {
    50: '#7ccb7e',
    500: '#31b348',
    950: '#000000',
  },
}

SCSS

$custom: #31b348;
$custom-light: #7ccb7e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b348",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 72
  },
  "hsl": {
    "h": 130.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67468,
    "c": 0.18478,
    "h": 145.9
  },
  "luminance": 0.33361
}

Semantic roles & 50–950 ramp

primary

#31B348

secondary

#C67AB8

accent

#48C5E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B348

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

Preview Lab → · Contrast checker → · Palette generator →