#31B63F#31B63F

#31B63F is a light, vivid green. Relative luminance 0.345; OKLCH L 68.2% C 0.195 H 144.5°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#31B63F
RGB	rgb(49, 182, 63)
HSL	hsl(126, 58%, 45%)
HSV	hsv(126, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 65.4%, 28.6%)
CIE-LAB	lab(65.33, -58.77, 48.92)
CIE-LCH	lch(65.33, 76.47, 140.22°)
OKLab	oklab(68.17% -0.1589 0.1135)
OKLCH	oklch(68.17% 0.195 144.5)
XYZ	xyz(18.8905, 34.4656, 10.3586)
Luminance	0.3447 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B63F #B631A8

analogous

#65B631 #31B63F #31B682

triadic

#31B63F #3F31B6 #B63F31

tetradic

#31B63F #3165B6 #B631A8 #B68231

square

#31B63F #3165B6 #B631A8 #B68231

split-complementary

#31B63F #8231B6 #B63165

monochromatic

#17561E #24862E #31B63F #53D161 #84DE8D

Accessibility & contrast

On white

2.66

#31B63F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#31B63F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B63F

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B63F	#FFFFFF	#000000	##000000
##31B63F	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A530

Deuteranopia (green-blind)

#AA9B4A

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b63f;
/* rgb */ color: rgb(49, 182, 63);
/* oklch */ color: oklch(68.2% 0.195 144.5);

Tailwind

colors: {
  custom: {
    50: '#7dcd79',
    500: '#31b63f',
    950: '#000000',
  },
}

SCSS

$custom: #31b63f;
$custom-light: #7dcd79;
$custom-dark: #000000;

JSON

{
  "hex": "#31b63f",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 63
  },
  "hsl": {
    "h": 126.316,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6817,
    "c": 0.19526,
    "h": 144.5
  },
  "luminance": 0.34468
}

Semantic roles & 50–950 ramp

primary

#31B63F

secondary

#C77CBF

accent

#47D1E1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B63F

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

Preview Lab → · Contrast checker → · Palette generator →