#3FD440#3FD440

#3FD440 is a light, highly saturated green. Relative luminance 0.485; OKLCH L 76.4% C 0.225 H 143.1°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#3FD440
RGB	rgb(63, 212, 64)
HSL	hsl(120, 63%, 54%)
HSV	hsv(120, 70%, 83%)
CMYK	cmyk(70.3%, 0%, 69.8%, 16.9%)
CIE-LAB	lab(75.15, -66.16, 59.13)
CIE-LCH	lch(75.15, 88.73, 138.21°)
OKLab	oklab(76.4% -0.1796 0.135)
OKLCH	oklch(76.4% 0.225 143.1)
XYZ	xyz(26.5172, 48.5110, 12.8156)
Luminance	0.4851 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FD440 #D43FD3

analogous

#89D43F #3FD440 #3FD48B

triadic

#3FD440 #403FD4 #D4403F

tetradic

#3FD440 #3F89D4 #D43FD3 #D48B3F

square

#3FD440 #3F89D4 #D43FD3 #D48B3F

split-complementary

#3FD440 #8B3FD4 #D43F89

monochromatic

#1C7D1D #27AF28 #3FD440 #71DF72 #A3EAA3

Accessibility & contrast

On white

1.96

#3FD440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.70

#3FD440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FD440

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FD440	#FFFFFF	#000000	##000000
##3FD440	1.00	1.96	10.70	10.70
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.70	21.00	1.00	1.00
##000000	10.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C029

Deuteranopia (green-blind)

#C7B44F

Tritanopia (blue-blind)

#09CEB7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #3fd440;
/* rgb */ color: rgb(63, 212, 64);
/* oklch */ color: oklch(76.4% 0.225 143.1);

Tailwind

colors: {
  custom: {
    50: '#89e27d',
    500: '#3fd440',
    950: '#000000',
  },
}

SCSS

$custom: #3fd440;
$custom-light: #89e27d;
$custom-dark: #000000;

JSON

{
  "hex": "#3fd440",
  "rgb": {
    "r": 63,
    "g": 212,
    "b": 64
  },
  "hsl": {
    "h": 120.403,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76395,
    "c": 0.22466,
    "h": 143.1
  },
  "luminance": 0.48514
}

Semantic roles & 50–950 ramp

primary

#3FD440

secondary

#D798D7

accent

#41E5E6

background

#F9FEF7

surface

#F1FCEE

border

#CBD5C9

text

#0D160A

muted

#7E847C

Preview Lab

Preview with #3FD440

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

Preview Lab → · Contrast checker → · Palette generator →