#3FDB3B#3FDB3B

#3FDB3B is a light, highly saturated green. Relative luminance 0.520; OKLCH L 78.2% C 0.235 H 142.6°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#3FDB3B
RGB	rgb(63, 219, 59)
HSL	hsl(119, 69%, 55%)
HSV	hsv(119, 73%, 86%)
CMYK	cmyk(71.2%, 0%, 73.1%, 14.1%)
CIE-LAB	lab(77.30, -68.80, 63.16)
CIE-LCH	lch(77.30, 93.39, 137.45°)
OKLab	oklab(78.17% -0.1869 0.1428)
OKLCH	oklch(78.17% 0.235 142.6)
XYZ	xyz(28.1691, 52.0324, 12.6955)
Luminance	0.5204 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FDB3B #D73BDB

analogous

#8FDB3B #3FDB3B #3BDB87

triadic

#3FDB3B #3B3FDB #DB3B3F

tetradic

#3FDB3B #3B8FDB #D73BDB #DB873B

square

#3FDB3B #3B8FDB #D73BDB #DB873B

split-complementary

#3FDB3B #873BDB #DB3B8F

monochromatic

#1B8318 #25B722 #3FDB3B #72E46F #A4EEA2

Accessibility & contrast

On white

1.84

#3FDB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#3FDB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDB3B

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FDB3B	#FFFFFF	#000000	##000000
##3FDB3B	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C61C

Deuteranopia (green-blind)

#CEBA4C

Tritanopia (blue-blind)

#01D5BC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #3fdb3b;
/* rgb */ color: rgb(63, 219, 59);
/* oklch */ color: oklch(78.2% 0.235 142.6);

Tailwind

colors: {
  custom: {
    50: '#8be77b',
    500: '#3fdb3b',
    950: '#000000',
  },
}

SCSS

$custom: #3fdb3b;
$custom-light: #8be77b;
$custom-dark: #000000;

JSON

{
  "hex": "#3fdb3b",
  "rgb": {
    "r": 63,
    "g": 219,
    "b": 59
  },
  "hsl": {
    "h": 118.5,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.78172,
    "c": 0.23525,
    "h": 142.6
  },
  "luminance": 0.52036
}

Semantic roles & 50–950 ramp

primary

#3FDB3B

secondary

#88308A

accent

#3CECE7

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #3FDB3B

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

Preview Lab → · Contrast checker → · Palette generator →