#31B13D#31B13D

#31B13D is a light, vivid green. Relative luminance 0.324; OKLCH L 66.8% C 0.191 H 144.3°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#31B13D
RGB	rgb(49, 177, 61)
HSL	hsl(126, 57%, 44%)
HSV	hsv(126, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 65.5%, 30.6%)
CIE-LAB	lab(63.70, -57.30, 47.98)
CIE-LCH	lch(63.70, 74.74, 140.06°)
OKLab	oklab(66.81% -0.155 0.1113)
OKLCH	oklch(66.81% 0.191 144.3)
XYZ	xyz(17.8299, 32.4322, 9.7343)
Luminance	0.3243 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B13D #B131A5

analogous

#65B131 #31B13D #31B17D

triadic

#31B13D #3D31B1 #B13D31

tetradic

#31B13D #3165B1 #B131A5 #B17D31

square

#31B13D #3165B1 #B131A5 #B17D31

split-complementary

#31B13D #7D31B1 #B13165

monochromatic

#16511C #24812C #31B13D #51CF5C #80DC89

Accessibility & contrast

On white

2.80

#31B13D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#31B13D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B13D

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B13D	#FFFFFF	#000000	##000000
##31B13D	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)

#B4A02E

Deuteranopia (green-blind)

#A69647

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b13d;
/* rgb */ color: rgb(49, 177, 61);
/* oklch */ color: oklch(66.8% 0.191 144.3);

Tailwind

colors: {
  custom: {
    50: '#7cc978',
    500: '#31b13d',
    950: '#000000',
  },
}

SCSS

$custom: #31b13d;
$custom-light: #7cc978;
$custom-dark: #000000;

JSON

{
  "hex": "#31b13d",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 61
  },
  "hsl": {
    "h": 125.625,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66811,
    "c": 0.19081,
    "h": 144.3
  },
  "luminance": 0.32434
}

Semantic roles & 50–950 ramp

primary

#31B13D

secondary

#C579BE

accent

#48D2E0

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B13D

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

Preview Lab → · Contrast checker → · Palette generator →