#3FDE3B#3FDE3B

#3FDE3B is a light, highly saturated green. Relative luminance 0.536; OKLCH L 78.9% C 0.238 H 142.6°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#3FDE3B
RGB	rgb(63, 222, 59)
HSL	hsl(119, 71%, 55%)
HSV	hsv(119, 73%, 87%)
CMYK	cmyk(71.6%, 0%, 73.4%, 12.9%)
CIE-LAB	lab(78.23, -69.74, 64.10)
CIE-LCH	lch(78.23, 94.72, 137.41°)
OKLab	oklab(78.95% -0.1895 0.1448)
OKLCH	oklch(78.95% 0.238 142.6)
XYZ	xyz(28.9589, 53.6118, 12.9588)
Luminance	0.5362 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FDE3B #DA3BDE

analogous

#90DE3B #3FDE3B #3BDE89

triadic

#3FDE3B #3B3FDE #DE3B3F

tetradic

#3FDE3B #3B90DE #DA3BDE #DE893B

square

#3FDE3B #3B90DE #DA3BDE #DE893B

split-complementary

#3FDE3B #893BDE #DE3B90

monochromatic

#1A8817 #24BC20 #3FDE3B #72E76F #A6F0A4

Accessibility & contrast

On white

1.79

#3FDE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.72

#3FDE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDE3B

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FDE3B	#FFFFFF	#000000	##000000
##3FDE3B	1.00	1.79	11.72	11.72
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.72	21.00	1.00	1.00
##000000	11.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C91B

Deuteranopia (green-blind)

#D1BD4C

Tritanopia (blue-blind)

#00D7BF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #3fde3b;
/* rgb */ color: rgb(63, 222, 59);
/* oklch */ color: oklch(78.9% 0.238 142.6);

Tailwind

colors: {
  custom: {
    50: '#8bea7b',
    500: '#3fde3b',
    950: '#000000',
  },
}

SCSS

$custom: #3fde3b;
$custom-light: #8bea7b;
$custom-dark: #000000;

JSON

{
  "hex": "#3fde3b",
  "rgb": {
    "r": 63,
    "g": 222,
    "b": 59
  },
  "hsl": {
    "h": 118.528,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78948,
    "c": 0.23847,
    "h": 142.6
  },
  "luminance": 0.53615
}

Semantic roles & 50–950 ramp

primary

#3FDE3B

secondary

#8B2F8E

accent

#3AEEEA

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160A

muted

#7F857D

Preview Lab

Preview with #3FDE3B

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

Preview Lab → · Contrast checker → · Palette generator →