#31B04E#31B04E

#31B04E is a light, vivid green. Relative luminance 0.323; OKLCH L 66.7% C 0.176 H 147.1°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#31B04E
RGB	rgb(49, 176, 78)
HSL	hsl(134, 56%, 44%)
HSV	hsv(134, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 55.7%, 31%)
CIE-LAB	lab(63.55, -54.88, 40.02)
CIE-LCH	lch(63.55, 67.92, 143.90°)
OKLab	oklab(66.75% -0.1478 0.0956)
OKLCH	oklch(66.75% 0.176 147.1)
XYZ	xyz(18.1658, 32.2517, 12.4741)
Luminance	0.3225 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B04E #B03193

analogous

#54B031 #31B04E #31B08E

triadic

#31B04E #4E31B0 #B04E31

tetradic

#31B04E #3154B0 #B03193 #B08E31

square

#31B04E #3154B0 #B03193 #B08E31

split-complementary

#31B04E #8E31B0 #B03154

monochromatic

#165024 #248039 #31B04E #50CE6D #80DC95

Accessibility & contrast

On white

2.82

#31B04E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#31B04E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B04E

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B04E	#FFFFFF	#000000	##000000
##31B04E	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A045

Deuteranopia (green-blind)

#A39656

Tritanopia (blue-blind)

#00AC9A

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b04e;
/* rgb */ color: rgb(49, 176, 78);
/* oklch */ color: oklch(66.7% 0.176 147.1);

Tailwind

colors: {
  custom: {
    50: '#7bc982',
    500: '#31b04e',
    950: '#000000',
  },
}

SCSS

$custom: #31b04e;
$custom-light: #7bc982;
$custom-dark: #000000;

JSON

{
  "hex": "#31b04e",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 78
  },
  "hsl": {
    "h": 133.701,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66745,
    "c": 0.17605,
    "h": 147.1
  },
  "luminance": 0.32254
}

Semantic roles & 50–950 ramp

primary

#31B04E

secondary

#C578B3

accent

#48BDE0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B04E

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

Preview Lab → · Contrast checker → · Palette generator →