#3FB571#3FB571

#3FB571 is a light, vivid green. Relative luminance 0.353; OKLCH L 69.0% C 0.146 H 154.3°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3FB571
RGB	rgb(63, 181, 113)
HSL	hsl(145, 48%, 48%)
HSV	hsv(145, 65%, 71%)
CMYK	cmyk(65.2%, 0%, 37.6%, 29%)
CIE-LAB	lab(65.98, -48.45, 25.25)
CIE-LCH	lch(65.98, 54.63, 152.48°)
OKLab	oklab(69.01% -0.1311 0.0632)
OKLCH	oklch(69.01% 0.146 154.3)
XYZ	xyz(21.5526, 35.2945, 21.2963)
Luminance	0.3530 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB571 #B53F83

analogous

#48B53F #3FB571 #3FB5AC

triadic

#3FB571 #713FB5 #B5713F

tetradic

#3FB571 #3F48B5 #B53F83 #B5AC3F

square

#3FB571 #3F48B5 #B53F83 #B5AC3F

split-complementary

#3FB571 #AC3FB5 #B53F48

monochromatic

#1F5A38 #2F8855 #3FB571 #67CA91 #94DAB2

Accessibility & contrast

On white

2.61

#3FB571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#3FB571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB571

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB571	#FFFFFF	#000000	##000000
##3FB571	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A76C

Deuteranopia (green-blind)

#A59C75

Tritanopia (blue-blind)

#00B3A4

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #3fb571;
/* rgb */ color: rgb(63, 181, 113);
/* oklch */ color: oklch(69.0% 0.146 154.3);

Tailwind

colors: {
  custom: {
    50: '#81cc9a',
    500: '#3fb571',
    950: '#000000',
  },
}

SCSS

$custom: #3fb571;
$custom-light: #81cc9a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb571",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 113
  },
  "hsl": {
    "h": 145.424,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.69006,
    "c": 0.14553,
    "h": 154.3
  },
  "luminance": 0.35297
}

Semantic roles & 50–950 ramp

primary

#3FB571

secondary

#C58AAC

accent

#509ED8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #3FB571

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

Preview Lab → · Contrast checker → · Palette generator →