#31B04B#31B04B

#31B04B is a light, vivid green. Relative luminance 0.322; OKLCH L 66.7% C 0.179 H 146.6°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#31B04B
RGB	rgb(49, 176, 75)
HSL	hsl(132, 56%, 44%)
HSV	hsv(132, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 57.4%, 31%)
CIE-LAB	lab(63.52, -55.29, 41.42)
CIE-LCH	lch(63.52, 69.08, 143.16°)
OKLab	oklab(66.71% -0.149 0.0984)
OKLCH	oklch(66.71% 0.179 146.6)
XYZ	xyz(18.0607, 32.2096, 11.9205)
Luminance	0.3221 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B04B #B03196

analogous

#57B031 #31B04B #31B08A

triadic

#31B04B #4B31B0 #B04B31

tetradic

#31B04B #3157B0 #B03196 #B08A31

square

#31B04B #3157B0 #B03196 #B08A31

split-complementary

#31B04B #8A31B0 #B03157

monochromatic

#165022 #248037 #31B04B #50CE6A #80DC93

Accessibility & contrast

On white

2.82

#31B04B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#31B04B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B04B

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B04B	#FFFFFF	#000000	##000000
##31B04B	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)

#B2A041

Deuteranopia (green-blind)

#A49653

Tritanopia (blue-blind)

#00AC9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b04b;
/* rgb */ color: rgb(49, 176, 75);
/* oklch */ color: oklch(66.7% 0.179 146.6);

Tailwind

colors: {
  custom: {
    50: '#7bc980',
    500: '#31b04b',
    950: '#000000',
  },
}

SCSS

$custom: #31b04b;
$custom-light: #7bc980;
$custom-dark: #000000;

JSON

{
  "hex": "#31b04b",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 75
  },
  "hsl": {
    "h": 132.283,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66705,
    "c": 0.1786,
    "h": 146.6
  },
  "luminance": 0.32212
}

Semantic roles & 50–950 ramp

primary

#31B04B

secondary

#C578B5

accent

#48C1E0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B04B

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

Preview Lab → · Contrast checker → · Palette generator →