#31B04C#31B04C

#31B04C is a light, vivid green. Relative luminance 0.322; OKLCH L 66.7% C 0.178 H 146.7°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#31B04C
RGB	rgb(49, 176, 76)
HSL	hsl(133, 56%, 44%)
HSV	hsv(133, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 56.8%, 31%)
CIE-LAB	lab(63.53, -55.15, 40.95)
CIE-LCH	lch(63.53, 68.70, 143.40°)
OKLab	oklab(66.72% -0.1486 0.0975)
OKLCH	oklch(66.72% 0.178 146.7)
XYZ	xyz(18.0951, 32.2234, 12.1022)
Luminance	0.3222 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B04C #B03195

analogous

#56B031 #31B04C #31B08C

triadic

#31B04C #4C31B0 #B04C31

tetradic

#31B04C #3156B0 #B03195 #B08C31

square

#31B04C #3156B0 #B03195 #B08C31

split-complementary

#31B04C #8C31B0 #B03156

monochromatic

#165023 #248037 #31B04C #50CE6B #80DC93

Accessibility & contrast

On white

2.82

#31B04C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#31B04C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B04C

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B04C	#FFFFFF	#000000	##000000
##31B04C	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A042

Deuteranopia (green-blind)

#A39654

Tritanopia (blue-blind)

#00AC9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b04c;
/* rgb */ color: rgb(49, 176, 76);
/* oklch */ color: oklch(66.7% 0.178 146.7);

Tailwind

colors: {
  custom: {
    50: '#7bc981',
    500: '#31b04c',
    950: '#000000',
  },
}

SCSS

$custom: #31b04c;
$custom-light: #7bc981;
$custom-dark: #000000;

JSON

{
  "hex": "#31b04c",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 76
  },
  "hsl": {
    "h": 132.756,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66718,
    "c": 0.17776,
    "h": 146.7
  },
  "luminance": 0.32225
}

Semantic roles & 50–950 ramp

primary

#31B04C

secondary

#C578B4

accent

#48BFE0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B04C

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

Preview Lab → · Contrast checker → · Palette generator →