#31DB4B#31DB4B

#31DB4B is a light, highly saturated green. Relative luminance 0.518; OKLCH L 78.0% C 0.229 H 144.9°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#31DB4B
RGB	rgb(49, 219, 75)
HSL	hsl(129, 70%, 53%)
HSV	hsv(129, 78%, 86%)
CMYK	cmyk(77.6%, 0%, 65.8%, 14.1%)
CIE-LAB	lab(77.17, -69.45, 56.92)
CIE-LCH	lch(77.17, 89.79, 140.66°)
OKLab	oklab(78.03% -0.1874 0.1316)
OKLCH	oklch(78.03% 0.229 144.9)
XYZ	xyz(27.8662, 51.8207, 15.1890)
Luminance	0.5182 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31DB4B #DB31C1

analogous

#6CDB31 #31DB4B #31DBA0

triadic

#31DB4B #4B31DB #DB4B31

tetradic

#31DB4B #316CDB #DB31C1 #DBA031

square

#31DB4B #316CDB #DB31C1 #DBA031

split-complementary

#31DB4B #A031DB #DB316C

monochromatic

#167C25 #1FB035 #31DB4B #65E479 #99EDA6

Accessibility & contrast

On white

1.85

#31DB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#31DB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31DB4B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31DB4B	#FFFFFF	#000000	##000000
##31DB4B	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC638

Deuteranopia (green-blind)

#CCBA58

Tritanopia (blue-blind)

#00D5BD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #31db4b;
/* rgb */ color: rgb(49, 219, 75);
/* oklch */ color: oklch(78.0% 0.229 144.9);

Tailwind

colors: {
  custom: {
    50: '#85e883',
    500: '#31db4b',
    950: '#000000',
  },
}

SCSS

$custom: #31db4b;
$custom-light: #85e883;
$custom-dark: #000000;

JSON

{
  "hex": "#31db4b",
  "rgb": {
    "r": 49,
    "g": 219,
    "b": 75
  },
  "hsl": {
    "h": 129.176,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.78034,
    "c": 0.22902,
    "h": 144.9
  },
  "luminance": 0.51824
}

Semantic roles & 50–950 ramp

primary

#31DB4B

secondary

#832D76

accent

#3BD2ED

background

#FCFEFB

surface

#F4FDF2

border

#CED5CC

text

#0D160B

muted

#7F847E

Preview Lab

Preview with #31DB4B

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

Preview Lab → · Contrast checker → · Palette generator →