#31B059#31B059

#31B059 is a light, vivid green. Relative luminance 0.324; OKLCH L 66.9% C 0.166 H 149.5°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#31B059
RGB	rgb(49, 176, 89)
HSL	hsl(139, 56%, 44%)
HSV	hsv(139, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 49.4%, 31%)
CIE-LAB	lab(63.69, -53.24, 34.73)
CIE-LCH	lch(63.69, 63.57, 146.88°)
OKLab	oklab(66.91% -0.1433 0.0845)
OKLCH	oklch(66.91% 0.166 149.5)
XYZ	xyz(18.5936, 32.4228, 14.7276)
Luminance	0.3242 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B059 #B03188

analogous

#49B031 #31B059 #31B099

triadic

#31B059 #5931B0 #B05931

tetradic

#31B059 #3149B0 #B03188 #B09931

square

#31B059 #3149B0 #B03188 #B09931

split-complementary

#31B059 #9931B0 #B03149

monochromatic

#165029 #248041 #31B059 #50CE78 #80DC9D

Accessibility & contrast

On white

2.81

#31B059 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#31B059 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B059

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B059	#FFFFFF	#000000	##000000
##31B059	1.00	2.81	7.49	7.49
#FFFFFF	2.81	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)

#B1A152

Deuteranopia (green-blind)

#A2965F

Tritanopia (blue-blind)

#00AD9C

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b059;
/* rgb */ color: rgb(49, 176, 89);
/* oklch */ color: oklch(66.9% 0.166 149.5);

Tailwind

colors: {
  custom: {
    50: '#7bc989',
    500: '#31b059',
    950: '#000000',
  },
}

SCSS

$custom: #31b059;
$custom-light: #7bc989;
$custom-dark: #000000;

JSON

{
  "hex": "#31b059",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 89
  },
  "hsl": {
    "h": 138.898,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66907,
    "c": 0.16631,
    "h": 149.5
  },
  "luminance": 0.32425
}

Semantic roles & 50–950 ramp

primary

#31B059

secondary

#C578AD

accent

#48B0E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B059

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

Preview Lab → · Contrast checker → · Palette generator →