#31B13F#31B13F

#31B13F is a light, vivid green. Relative luminance 0.325; OKLCH L 66.8% C 0.189 H 144.6°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#31B13F
RGB	rgb(49, 177, 63)
HSL	hsl(127, 57%, 44%)
HSV	hsv(127, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 64.4%, 30.6%)
CIE-LAB	lab(63.72, -57.09, 47.14)
CIE-LCH	lch(63.72, 74.03, 140.45°)
OKLab	oklab(66.83% -0.1543 0.1097)
OKLCH	oklch(66.83% 0.189 144.6)
XYZ	xyz(17.8848, 32.4541, 10.0234)
Luminance	0.3246 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B13F #B131A3

analogous

#63B131 #31B13F #31B17F

triadic

#31B13F #3F31B1 #B13F31

tetradic

#31B13F #3163B1 #B131A3 #B17F31

square

#31B13F #3163B1 #B131A3 #B17F31

split-complementary

#31B13F #7F31B1 #B13163

monochromatic

#16511D #24812E #31B13F #51CF5E #80DC8A

Accessibility & contrast

On white

2.80

#31B13F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#31B13F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B13F

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B13F	#FFFFFF	#000000	##000000
##31B13F	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)

#B4A131

Deuteranopia (green-blind)

#A59649

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b13f;
/* rgb */ color: rgb(49, 177, 63);
/* oklch */ color: oklch(66.8% 0.189 144.6);

Tailwind

colors: {
  custom: {
    50: '#7cc979',
    500: '#31b13f',
    950: '#000000',
  },
}

SCSS

$custom: #31b13f;
$custom-light: #7cc979;
$custom-dark: #000000;

JSON

{
  "hex": "#31b13f",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 63
  },
  "hsl": {
    "h": 126.563,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.66832,
    "c": 0.18933,
    "h": 144.6
  },
  "luminance": 0.32456
}

Semantic roles & 50–950 ramp

primary

#31B13F

secondary

#C579BD

accent

#48CFE0

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B13F

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

Preview Lab → · Contrast checker → · Palette generator →