#3FC43B#3FC43B

#3FC43B is a light, highly saturated green. Relative luminance 0.409; OKLCH L 72.2% C 0.210 H 142.6°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#3FC43B
RGB	rgb(63, 196, 59)
HSL	hsl(118, 54%, 50%)
HSV	hsv(118, 70%, 77%)
CMYK	cmyk(67.9%, 0%, 69.9%, 23.1%)
CIE-LAB	lab(70.07, -61.33, 55.73)
CIE-LCH	lch(70.07, 82.87, 137.74°)
OKLab	oklab(72.18% -0.1667 0.1273)
OKLCH	oklch(72.18% 0.21 142.6)
XYZ	xyz(22.5779, 40.8500, 10.8318)
Luminance	0.4085 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC43B #C03BC4

analogous

#84C43B #3FC43B #3BC47B

triadic

#3FC43B #3B3FC4 #C43B3F

tetradic

#3FC43B #3B84C4 #C03BC4 #C47B3B

square

#3FC43B #3B84C4 #C03BC4 #C47B3B

split-complementary

#3FC43B #7B3BC4 #C43B84

monochromatic

#21661F #30952D #3FC43B #6DD26A #9BE099

Accessibility & contrast

On white

2.29

#3FC43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#3FC43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC43B

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC43B	#FFFFFF	#000000	##000000
##3FC43B	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B226

Deuteranopia (green-blind)

#B9A748

Tritanopia (blue-blind)

#1DBEA9

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #3fc43b;
/* rgb */ color: rgb(63, 196, 59);
/* oklch */ color: oklch(72.2% 0.210 142.6);

Tailwind

colors: {
  custom: {
    50: '#86d778',
    500: '#3fc43b',
    950: '#000000',
  },
}

SCSS

$custom: #3fc43b;
$custom-light: #86d778;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc43b",
  "rgb": {
    "r": 63,
    "g": 196,
    "b": 59
  },
  "hsl": {
    "h": 118.248,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.72175,
    "c": 0.20975,
    "h": 142.6
  },
  "luminance": 0.40852
}

Semantic roles & 50–950 ramp

primary

#3FC43B

secondary

#CA8FCC

accent

#4BDDD9

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0D1409

muted

#7D837B

Preview Lab

Preview with #3FC43B

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

Preview Lab → · Contrast checker → · Palette generator →