#3FCC40#3FCC40

#3FCC40 is a light, highly saturated green. Relative luminance 0.446; OKLCH L 74.3% C 0.216 H 143.1°. Best body text is #000000 at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3FCC40
RGB	rgb(63, 204, 64)
HSL	hsl(120, 58%, 52%)
HSV	hsv(120, 69%, 80%)
CMYK	cmyk(69.1%, 0%, 68.6%, 20%)
CIE-LAB	lab(72.63, -63.55, 56.49)
CIE-LCH	lch(72.63, 85.03, 138.36°)
OKLab	oklab(74.31% -0.1725 0.1295)
OKLCH	oklch(74.31% 0.216 143.1)
XYZ	xyz(24.5667, 44.6100, 12.1654)
Luminance	0.4461 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCC40 #CC3FCB

analogous

#84CC3F #3FCC40 #3FCC87

triadic

#3FCC40 #403FCC #CC403F

tetradic

#3FCC40 #3F84CC #CC3FCB #CC873F

square

#3FCC40 #3F84CC #CC3FCB #CC873F

split-complementary

#3FCC40 #873FCC #CC3F84

monochromatic

#1E721F #2BA32C #3FCC40 #6FD970 #A0E6A0

Accessibility & contrast

On white

2.12

#3FCC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.92

#3FCC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCC40

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCC40	#FFFFFF	#000000	##000000
##3FCC40	1.00	2.12	9.92	9.92
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.92	21.00	1.00	1.00
##000000	9.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92C

Deuteranopia (green-blind)

#C0AE4D

Tritanopia (blue-blind)

#14C6B0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #3fcc40;
/* rgb */ color: rgb(63, 204, 64);
/* oklch */ color: oklch(74.3% 0.216 143.1);

Tailwind

colors: {
  custom: {
    50: '#87dd7c',
    500: '#3fcc40',
    950: '#000000',
  },
}

SCSS

$custom: #3fcc40;
$custom-light: #87dd7c;
$custom-dark: #000000;

JSON

{
  "hex": "#3fcc40",
  "rgb": {
    "r": 63,
    "g": 204,
    "b": 64
  },
  "hsl": {
    "h": 120.426,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74312,
    "c": 0.21567,
    "h": 143.1
  },
  "luminance": 0.44613
}

Semantic roles & 50–950 ramp

primary

#3FCC40

secondary

#D295D2

accent

#47E0E1

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #3FCC40

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

Preview Lab → · Contrast checker → · Palette generator →