#3FB543#3FB543

#3FB543 is a light, vivid green. Relative luminance 0.345; OKLCH L 68.3% C 0.186 H 143.7°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3FB543
RGB	rgb(63, 181, 67)
HSL	hsl(122, 48%, 48%)
HSV	hsv(122, 65%, 71%)
CMYK	cmyk(65.2%, 0%, 63%, 29%)
CIE-LAB	lab(65.36, -55.38, 47.31)
CIE-LCH	lch(65.36, 72.84, 139.49°)
OKLab	oklab(68.3% -0.1502 0.1104)
OKLCH	oklch(68.3% 0.186 143.7)
XYZ	xyz(19.5857, 34.5078, 10.9376)
Luminance	0.3451 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB543 #B53FB1

analogous

#76B53F #3FB543 #3FB57E

triadic

#3FB543 #433FB5 #B5433F

tetradic

#3FB543 #3F76B5 #B53FB1 #B57E3F

square

#3FB543 #3F76B5 #B53FB1 #B57E3F

split-complementary

#3FB543 #7E3FB5 #B53F76

monochromatic

#1F5A21 #2F8832 #3FB543 #67CA6A #94DA97

Accessibility & contrast

On white

2.66

#3FB543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#3FB543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB543

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB543	#FFFFFF	#000000	##000000
##3FB543	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A536

Deuteranopia (green-blind)

#AA9B4D

Tritanopia (blue-blind)

#23B09D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #3fb543;
/* rgb */ color: rgb(63, 181, 67);
/* oklch */ color: oklch(68.3% 0.186 143.7);

Tailwind

colors: {
  custom: {
    50: '#82cc7c',
    500: '#3fb543',
    950: '#000000',
  },
}

SCSS

$custom: #3fb543;
$custom-light: #82cc7c;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb543",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 67
  },
  "hsl": {
    "h": 122.034,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.683,
    "c": 0.1864,
    "h": 143.7
  },
  "luminance": 0.3451
}

Semantic roles & 50–950 ramp

primary

#3FB543

secondary

#C58AC3

accent

#50D3D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #3FB543

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

Preview Lab → · Contrast checker → · Palette generator →