#3FDE40#3FDE40

#3FDE40 is a light, highly saturated green. Relative luminance 0.537; OKLCH L 79.0% C 0.236 H 143.0°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#3FDE40
RGB	rgb(63, 222, 64)
HSL	hsl(120, 71%, 56%)
HSV	hsv(120, 72%, 87%)
CMYK	cmyk(71.6%, 0%, 71.2%, 12.9%)
CIE-LAB	lab(78.27, -69.35, 62.37)
CIE-LCH	lch(78.27, 93.27, 138.03°)
OKLab	oklab(78.98% -0.1882 0.1418)
OKLCH	oklch(78.98% 0.236 143)
XYZ	xyz(29.0948, 53.6662, 13.6748)
Luminance	0.5367 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FDE40 #DE3FDD

analogous

#8EDE3F #3FDE40 #3FDE8F

triadic

#3FDE40 #403FDE #DE403F

tetradic

#3FDE40 #3F8EDE #DE3FDD #DE8F3F

square

#3FDE40 #3F8EDE #DE3FDD #DE8F3F

split-complementary

#3FDE40 #8F3FDE #DE3F8E

monochromatic

#188B19 #21BF22 #3FDE40 #73E774 #A7F0A8

Accessibility & contrast

On white

1.79

#3FDE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#3FDE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDE40

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FDE40	#FFFFFF	#000000	##000000
##3FDE40	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C925

Deuteranopia (green-blind)

#D1BD50

Tritanopia (blue-blind)

#00D8BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #3fde40;
/* rgb */ color: rgb(63, 222, 64);
/* oklch */ color: oklch(79.0% 0.236 143.0);

Tailwind

colors: {
  custom: {
    50: '#8bea7e',
    500: '#3fde40',
    950: '#000000',
  },
}

SCSS

$custom: #3fde40;
$custom-light: #8bea7e;
$custom-dark: #000000;

JSON

{
  "hex": "#3fde40",
  "rgb": {
    "r": 63,
    "g": 222,
    "b": 64
  },
  "hsl": {
    "h": 120.377,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78984,
    "c": 0.23564,
    "h": 143
  },
  "luminance": 0.53669
}

Semantic roles & 50–950 ramp

primary

#3FDE40

secondary

#903190

accent

#3AECED

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160A

muted

#7F857D

Preview Lab

Preview with #3FDE40

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

Preview Lab → · Contrast checker → · Palette generator →