#3FB64B#3FB64B

#3FB64B is a light, vivid green. Relative luminance 0.350; OKLCH L 68.7% C 0.181 H 144.9°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3FB64B
RGB	rgb(63, 182, 75)
HSL	hsl(126, 49%, 48%)
HSV	hsv(126, 65%, 71%)
CMYK	cmyk(65.4%, 0%, 58.8%, 28.6%)
CIE-LAB	lab(65.76, -54.80, 44.14)
CIE-LCH	lch(65.76, 70.37, 141.15°)
OKLab	oklab(68.66% -0.1483 0.1043)
OKLCH	oklch(68.66% 0.181 144.9)
XYZ	xyz(20.0466, 35.0186, 12.3581)
Luminance	0.3502 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB64B #B63FAA

analogous

#6FB63F #3FB64B #3FB686

triadic

#3FB64B #4B3FB6 #B64B3F

tetradic

#3FB64B #3F6FB6 #B63FAA #B6863F

square

#3FB64B #3F6FB6 #B63FAA #B6863F

split-complementary

#3FB64B #863FB6 #B63F6F

monochromatic

#205B26 #2F8938 #3FB64B #68CB72 #95DA9C

Accessibility & contrast

On white

2.62

#3FB64B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#3FB64B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB64B

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB64B	#FFFFFF	#000000	##000000
##3FB64B	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A640

Deuteranopia (green-blind)

#AB9C54

Tritanopia (blue-blind)

#1FB19F

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #3fb64b;
/* rgb */ color: rgb(63, 182, 75);
/* oklch */ color: oklch(68.7% 0.181 144.9);

Tailwind

colors: {
  custom: {
    50: '#82cd81',
    500: '#3fb64b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb64b;
$custom-light: #82cd81;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb64b",
  "rgb": {
    "r": 63,
    "g": 182,
    "b": 75
  },
  "hsl": {
    "h": 126.05,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68656,
    "c": 0.18129,
    "h": 144.9
  },
  "luminance": 0.35021
}

Semantic roles & 50–950 ramp

primary

#3FB64B

secondary

#C68BC0

accent

#50CAD8

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #3FB64B

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

Preview Lab → · Contrast checker → · Palette generator →