#31B548#31B548

#31B548 is a light, vivid green. Relative luminance 0.342; OKLCH L 68.0% C 0.187 H 145.8°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#31B548
RGB	rgb(49, 181, 72)
HSL	hsl(130, 57%, 45%)
HSV	hsv(130, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 60.2%, 29%)
CIE-LAB	lab(65.09, -57.40, 44.67)
CIE-LCH	lch(65.09, 72.73, 142.11°)
OKLab	oklab(68% -0.1548 0.1052)
OKLCH	oklch(68% 0.187 145.8)
XYZ	xyz(18.9589, 34.1664, 11.7253)
Luminance	0.3417 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B548 #B5319E

analogous

#5CB531 #31B548 #31B58A

triadic

#31B548 #4831B5 #B54831

tetradic

#31B548 #315CB5 #B5319E #B58A31

square

#31B548 #315CB5 #B5319E #B58A31

split-complementary

#31B548 #8A31B5 #B5315C

monochromatic

#175522 #248535 #31B548 #53D069 #83DD93

Accessibility & contrast

On white

2.68

#31B548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#31B548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B548

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B548	#FFFFFF	#000000	##000000
##31B548	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A43C

Deuteranopia (green-blind)

#A99A51

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b548;
/* rgb */ color: rgb(49, 181, 72);
/* oklch */ color: oklch(68.0% 0.187 145.8);

Tailwind

colors: {
  custom: {
    50: '#7dcc7f',
    500: '#31b548',
    950: '#000000',
  },
}

SCSS

$custom: #31b548;
$custom-light: #7dcc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b548",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 72
  },
  "hsl": {
    "h": 130.455,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68002,
    "c": 0.18721,
    "h": 145.8
  },
  "luminance": 0.34169
}

Semantic roles & 50–950 ramp

primary

#31B548

secondary

#C77BBA

accent

#47C6E1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B548

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

Preview Lab → · Contrast checker → · Palette generator →