#31B05B#31B05B

#31B05B is a light, vivid green. Relative luminance 0.325; OKLCH L 66.9% C 0.164 H 150.0°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#31B05B
RGB	rgb(49, 176, 91)
HSL	hsl(140, 56%, 44%)
HSV	hsv(140, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 48.3%, 31%)
CIE-LAB	lab(63.72, -52.92, 33.75)
CIE-LCH	lch(63.72, 62.76, 147.47°)
OKLab	oklab(66.94% -0.1424 0.0823)
OKLCH	oklch(66.94% 0.164 150)
XYZ	xyz(18.6788, 32.4569, 15.1759)
Luminance	0.3246 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B05B #B03186

analogous

#46B031 #31B05B #31B09B

triadic

#31B05B #5B31B0 #B05B31

tetradic

#31B05B #3146B0 #B03186 #B09B31

square

#31B05B #3146B0 #B03186 #B09B31

split-complementary

#31B05B #9B31B0 #B03146

monochromatic

#165029 #248042 #31B05B #50CE7A #80DC9E

Accessibility & contrast

On white

2.80

#31B05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#31B05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B05B

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B05B	#FFFFFF	#000000	##000000
##31B05B	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A154

Deuteranopia (green-blind)

#A29661

Tritanopia (blue-blind)

#00AD9C

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b05b;
/* rgb */ color: rgb(49, 176, 91);
/* oklch */ color: oklch(66.9% 0.164 150.0);

Tailwind

colors: {
  custom: {
    50: '#7bc98b',
    500: '#31b05b',
    950: '#000000',
  },
}

SCSS

$custom: #31b05b;
$custom-light: #7bc98b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b05b",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 91
  },
  "hsl": {
    "h": 139.843,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66939,
    "c": 0.16448,
    "h": 150
  },
  "luminance": 0.32459
}

Semantic roles & 50–950 ramp

primary

#31B05B

secondary

#C578AB

accent

#48AEE0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B05B

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

Preview Lab → · Contrast checker → · Palette generator →