#31B248#31B248

#31B248 is a light, vivid green. Relative luminance 0.330; OKLCH L 67.2% C 0.184 H 145.9°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#31B248
RGB	rgb(49, 178, 72)
HSL	hsl(131, 57%, 45%)
HSV	hsv(131, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 59.6%, 30.2%)
CIE-LAB	lab(64.13, -56.37, 43.55)
CIE-LCH	lch(64.13, 71.23, 142.31°)
OKLab	oklab(67.2% -0.152 0.1028)
OKLCH	oklch(67.2% 0.184 145.9)
XYZ	xyz(18.3554, 32.9596, 11.5241)
Luminance	0.3296 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B248 #B2319B

analogous

#5AB231 #31B248 #31B289

triadic

#31B248 #4831B2 #B24831

tetradic

#31B248 #315AB2 #B2319B #B28931

square

#31B248 #315AB2 #B2319B #B28931

split-complementary

#31B248 #8931B2 #B2315A

monochromatic

#175221 #248235 #31B248 #51CF68 #81DC91

Accessibility & contrast

On white

2.77

#31B248 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#31B248 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B248

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B248	#FFFFFF	#000000	##000000
##31B248	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A23D

Deuteranopia (green-blind)

#A69751

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #31b248;
/* rgb */ color: rgb(49, 178, 72);
/* oklch */ color: oklch(67.2% 0.184 145.9);

Tailwind

colors: {
  custom: {
    50: '#7cca7e',
    500: '#31b248',
    950: '#000000',
  },
}

SCSS

$custom: #31b248;
$custom-light: #7cca7e;
$custom-dark: #000000;

JSON

{
  "hex": "#31b248",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 72
  },
  "hsl": {
    "h": 130.698,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67201,
    "c": 0.18354,
    "h": 145.9
  },
  "luminance": 0.32962
}

Semantic roles & 50–950 ramp

primary

#31B248

secondary

#C579B8

accent

#48C5E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B248

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

Preview Lab → · Contrast checker → · Palette generator →