#3FC66B#3FC66B

#3FC66B is a light, vivid green. Relative luminance 0.425; OKLCH L 73.3% C 0.174 H 150.3°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#3FC66B
RGB	rgb(63, 198, 107)
HSL	hsl(140, 54%, 51%)
HSV	hsv(140, 68%, 78%)
CMYK	cmyk(68.2%, 0%, 46%, 22.4%)
CIE-LAB	lab(71.22, -56.02, 35.19)
CIE-LCH	lch(71.22, 66.16, 147.86°)
OKLab	oklab(73.29% -0.1509 0.0862)
OKLCH	oklch(73.29% 0.174 150.3)
XYZ	xyz(24.8958, 42.5038, 20.7991)
Luminance	0.4251 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC66B #C63F9A

analogous

#56C63F #3FC66B #3FC6AF

triadic

#3FC66B #6B3FC6 #C66B3F

tetradic

#3FC66B #3F56C6 #C63F9A #C6AF3F

square

#3FC66B #3F56C6 #C63F9A #C6AF3F

split-complementary

#3FC66B #AF3FC6 #C63F56

monochromatic

#206B38 #2E9A51 #3FC66B #6ED48F #9DE2B4

Accessibility & contrast

On white

2.21

#3FC66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#3FC66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC66B

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC66B	#FFFFFF	#000000	##000000
##3FC66B	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B564

Deuteranopia (green-blind)

#B7AA71

Tritanopia (blue-blind)

#00C3B0

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #3fc66b;
/* rgb */ color: rgb(63, 198, 107);
/* oklch */ color: oklch(73.3% 0.174 150.3);

Tailwind

colors: {
  custom: {
    50: '#84d896',
    500: '#3fc66b',
    950: '#000000',
  },
}

SCSS

$custom: #3fc66b;
$custom-light: #84d896;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc66b",
  "rgb": {
    "r": 63,
    "g": 198,
    "b": 107
  },
  "hsl": {
    "h": 139.556,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7329,
    "c": 0.17383,
    "h": 150.3
  },
  "luminance": 0.42506
}

Semantic roles & 50–950 ramp

primary

#3FC66B

secondary

#CE93BB

accent

#4AAEDE

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #3FC66B

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

Preview Lab → · Contrast checker → · Palette generator →