#3FC666#3FC666

#3FC666 is a light, vivid green. Relative luminance 0.424; OKLCH L 73.2% C 0.178 H 149.1°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#3FC666
RGB	rgb(63, 198, 102)
HSL	hsl(137, 54%, 51%)
HSV	hsv(137, 68%, 78%)
CMYK	cmyk(68.2%, 0%, 48.5%, 22.4%)
CIE-LAB	lab(71.15, -56.82, 37.61)
CIE-LCH	lch(71.15, 68.14, 146.50°)
OKLab	oklab(73.21% -0.1531 0.0915)
OKLCH	oklch(73.21% 0.178 149.1)
XYZ	xyz(24.6404, 42.4016, 19.4535)
Luminance	0.4240 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC666 #C63F9F

analogous

#5BC63F #3FC666 #3FC6A9

triadic

#3FC666 #663FC6 #C6663F

tetradic

#3FC666 #3F5BC6 #C63F9F #C6A93F

square

#3FC666 #3F5BC6 #C63F9F #C6A93F

split-complementary

#3FC666 #A93FC6 #C63F5B

monochromatic

#206B35 #2E9A4D #3FC666 #6ED48C #9DE2B1

Accessibility & contrast

On white

2.22

#3FC666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#3FC666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC666

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC666	#FFFFFF	#000000	##000000
##3FC666	1.00	2.22	9.48	9.48
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B55E

Deuteranopia (green-blind)

#B7AA6D

Tritanopia (blue-blind)

#00C2AF

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #3fc666;
/* rgb */ color: rgb(63, 198, 102);
/* oklch */ color: oklch(73.2% 0.178 149.1);

Tailwind

colors: {
  custom: {
    50: '#85d893',
    500: '#3fc666',
    950: '#000000',
  },
}

SCSS

$custom: #3fc666;
$custom-light: #85d893;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc666",
  "rgb": {
    "r": 63,
    "g": 198,
    "b": 102
  },
  "hsl": {
    "h": 137.333,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7321,
    "c": 0.17836,
    "h": 149.1
  },
  "luminance": 0.42404
}

Semantic roles & 50–950 ramp

primary

#3FC666

secondary

#CE93BD

accent

#4AB3DE

background

#F8FDF9

surface

#F0FAF1

border

#CBD3CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #3FC666

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

Preview Lab → · Contrast checker → · Palette generator →