#31B552#31B552

#31B552 is a light, vivid green. Relative luminance 0.343; OKLCH L 68.1% C 0.179 H 147.6°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#31B552
RGB	rgb(49, 181, 82)
HSL	hsl(135, 57%, 45%)
HSV	hsv(135, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 54.7%, 29%)
CIE-LAB	lab(65.21, -56.08, 40.07)
CIE-LCH	lch(65.21, 68.93, 144.45°)
OKLab	oklab(68.13% -0.151 0.096)
OKLCH	oklch(68.13% 0.179 147.6)
XYZ	xyz(19.3120, 34.3077, 13.5853)
Luminance	0.3431 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B552 #B53194

analogous

#52B531 #31B552 #31B594

triadic

#31B552 #5231B5 #B55231

tetradic

#31B552 #3152B5 #B53194 #B59431

square

#31B552 #3152B5 #B53194 #B59431

split-complementary

#31B552 #9431B5 #B53152

monochromatic

#175526 #24853C #31B552 #53D072 #83DD9A

Accessibility & contrast

On white

2.67

#31B552 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#31B552 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B552

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B552	#FFFFFF	#000000	##000000
##31B552	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A549

Deuteranopia (green-blind)

#A89A5A

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b552;
/* rgb */ color: rgb(49, 181, 82);
/* oklch */ color: oklch(68.1% 0.179 147.6);

Tailwind

colors: {
  custom: {
    50: '#7ccc85',
    500: '#31b552',
    950: '#000000',
  },
}

SCSS

$custom: #31b552;
$custom-light: #7ccc85;
$custom-dark: #000000;

JSON

{
  "hex": "#31b552",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 82
  },
  "hsl": {
    "h": 135,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68131,
    "c": 0.1789,
    "h": 147.6
  },
  "luminance": 0.3431
}

Semantic roles & 50–950 ramp

primary

#31B552

secondary

#C77BB4

accent

#47BAE1

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B552

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

Preview Lab → · Contrast checker → · Palette generator →