#3FBC40#3FBC40

#3FBC40 is a light, vivid green. Relative luminance 0.374; OKLCH L 70.1% C 0.197 H 143.2°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3FBC40
RGB	rgb(63, 188, 64)
HSL	hsl(120, 50%, 49%)
HSV	hsv(120, 66%, 74%)
CMYK	cmyk(66.5%, 0%, 66%, 26.3%)
CIE-LAB	lab(67.57, -58.15, 51.04)
CIE-LCH	lch(67.57, 77.37, 138.72°)
OKLab	oklab(70.12% -0.1578 0.118)
OKLCH	oklch(70.12% 0.197 143.2)
XYZ	xyz(20.9573, 37.3912, 10.9623)
Luminance	0.3739 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBC40 #BC3FBB

analogous

#7DBC3F #3FBC40 #3FBC7F

triadic

#3FBC40 #403FBC #BC403F

tetradic

#3FBC40 #3F7DBC #BC3FBB #BC7F3F

square

#3FBC40 #3F7DBC #BC3FBB #BC7F3F

split-complementary

#3FBC40 #7F3FBC #BC3F7D

monochromatic

#206021 #308E30 #3FBC40 #6BCD6C #99DD99

Accessibility & contrast

On white

2.48

#3FBC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#3FBC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBC40

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBC40	#FFFFFF	#000000	##000000
##3FBC40	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB30

Deuteranopia (green-blind)

#B1A14B

Tritanopia (blue-blind)

#20B7A2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #3fbc40;
/* rgb */ color: rgb(63, 188, 64);
/* oklch */ color: oklch(70.1% 0.197 143.2);

Tailwind

colors: {
  custom: {
    50: '#84d17a',
    500: '#3fbc40',
    950: '#000000',
  },
}

SCSS

$custom: #3fbc40;
$custom-light: #84d17a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbc40",
  "rgb": {
    "r": 63,
    "g": 188,
    "b": 64
  },
  "hsl": {
    "h": 120.48,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70116,
    "c": 0.19707,
    "h": 143.2
  },
  "luminance": 0.37393
}

Semantic roles & 50–950 ramp

primary

#3FBC40

secondary

#C98EC8

accent

#4ED8D9

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C140A

muted

#7D837C

Preview Lab

Preview with #3FBC40

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

Preview Lab → · Contrast checker → · Palette generator →