#3FCC39#3FCC39

#3FCC39 is a light, highly saturated green. Relative luminance 0.445; OKLCH L 74.3% C 0.220 H 142.5°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3FCC39
RGB	rgb(63, 204, 57)
HSL	hsl(118, 59%, 51%)
HSV	hsv(118, 72%, 80%)
CMYK	cmyk(69.1%, 0%, 72.1%, 20%)
CIE-LAB	lab(72.58, -64.14, 59.08)
CIE-LCH	lch(72.58, 87.20, 137.36°)
OKLab	oklab(74.26% -0.1744 0.134)
OKLCH	oklch(74.26% 0.22 142.5)
XYZ	xyz(24.3799, 44.5353, 11.1814)
Luminance	0.4454 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCC39 #C639CC

analogous

#88CC39 #3FCC39 #39CC7C

triadic

#3FCC39 #393FCC #CC393F

tetradic

#3FCC39 #3988CC #C639CC #CC7C39

square

#3FCC39 #3988CC #C639CC #CC7C39

split-complementary

#3FCC39 #7C39CC #CC3988

monochromatic

#206E1C #2E9F29 #3FCC39 #6ED96A #9DE59A

Accessibility & contrast

On white

2.12

#3FCC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#3FCC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCC39

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCC39	#FFFFFF	#000000	##000000
##3FCC39	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B91F

Deuteranopia (green-blind)

#C0AE48

Tritanopia (blue-blind)

#17C6AF

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #3fcc39;
/* rgb */ color: rgb(63, 204, 57);
/* oklch */ color: oklch(74.3% 0.220 142.5);

Tailwind

colors: {
  custom: {
    50: '#88dd78',
    500: '#3fcc39',
    950: '#000000',
  },
}

SCSS

$custom: #3fcc39;
$custom-light: #88dd78;
$custom-dark: #000000;

JSON

{
  "hex": "#3fcc39",
  "rgb": {
    "r": 63,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 117.551,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74255,
    "c": 0.21998,
    "h": 142.5
  },
  "luminance": 0.44538
}

Semantic roles & 50–950 ramp

primary

#3FCC39

secondary

#CE90D1

accent

#46E2DC

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #3FCC39

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

Preview Lab → · Contrast checker → · Palette generator →