#31BC51#31BC51

#31BC51 is a light, vivid green. Relative luminance 0.372; OKLCH L 70.0% C 0.188 H 146.9°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#31BC51
RGB	rgb(49, 188, 81)
HSL	hsl(134, 59%, 46%)
HSV	hsv(134, 74%, 74%)
CMYK	cmyk(73.9%, 0%, 56.9%, 26.3%)
CIE-LAB	lab(67.44, -58.65, 43.22)
CIE-LCH	lch(67.44, 72.85, 143.61°)
OKLab	oklab(69.97% -0.1579 0.1028)
OKLCH	oklch(69.97% 0.188 146.9)
XYZ	xyz(20.7335, 37.2111, 13.8727)
Luminance	0.3721 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31BC51 #BC319C

analogous

#57BC31 #31BC51 #31BC97

triadic

#31BC51 #5131BC #BC5131

tetradic

#31BC51 #3157BC #BC319C #BC9731

square

#31BC51 #3157BC #BC319C #BC9731

split-complementary

#31BC51 #9731BC #BC3157

monochromatic

#185B27 #248B3C #31BC51 #57D374 #88E09C

Accessibility & contrast

On white

2.49

#31BC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#31BC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BC51

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31BC51	#FFFFFF	#000000	##000000
##31BC51	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAB47

Deuteranopia (green-blind)

#AEA059

Tritanopia (blue-blind)

#00B8A4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31bc51;
/* rgb */ color: rgb(49, 188, 81);
/* oklch */ color: oklch(70.0% 0.188 146.9);

Tailwind

colors: {
  custom: {
    50: '#7ed185',
    500: '#31bc51',
    950: '#000000',
  },
}

SCSS

$custom: #31bc51;
$custom-light: #7ed185;
$custom-dark: #000000;

JSON

{
  "hex": "#31bc51",
  "rgb": {
    "r": 49,
    "g": 188,
    "b": 81
  },
  "hsl": {
    "h": 133.813,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.69973,
    "c": 0.18843,
    "h": 146.9
  },
  "luminance": 0.37213
}

Semantic roles & 50–950 ramp

primary

#31BC51

secondary

#CA7FB8

accent

#46BEE2

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0B140B

muted

#7C837C

Preview Lab

Preview with #31BC51

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

Preview Lab → · Contrast checker → · Palette generator →