#3FCC33#3FCC33

#3FCC33 is a light, highly saturated green. Relative luminance 0.445; OKLCH L 74.2% C 0.223 H 142.0°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#3FCC33
RGB	rgb(63, 204, 51)
HSL	hsl(115, 60%, 50%)
HSV	hsv(115, 75%, 80%)
CMYK	cmyk(69.1%, 0%, 75%, 20%)
CIE-LAB	lab(72.55, -64.60, 61.13)
CIE-LCH	lch(72.55, 88.94, 136.58°)
OKLab	oklab(74.21% -0.176 0.1375)
OKLCH	oklch(74.21% 0.223 142)
XYZ	xyz(24.2389, 44.4789, 10.4392)
Luminance	0.4448 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCC33 #C033CC

analogous

#8CCC33 #3FCC33 #33CC73

triadic

#3FCC33 #333FCC #CC333F

tetradic

#3FCC33 #338CCC #C033CC #CC7333

square

#3FCC33 #338CCC #C033CC #CC7333

split-complementary

#3FCC33 #7333CC #CC338C

monochromatic

#216A1B #309B27 #3FCC33 #6DD864 #9BE495

Accessibility & contrast

On white

2.12

#3FCC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#3FCC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCC33

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCC33	#FFFFFF	#000000	##000000
##3FCC33	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B911

Deuteranopia (green-blind)

#C1AE44

Tritanopia (blue-blind)

#1AC6AF

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #3fcc33;
/* rgb */ color: rgb(63, 204, 51);
/* oklch */ color: oklch(74.2% 0.223 142.0);

Tailwind

colors: {
  custom: {
    50: '#88dd75',
    500: '#3fcc33',
    950: '#000000',
  },
}

SCSS

$custom: #3fcc33;
$custom-light: #88dd75;
$custom-dark: #000000;

JSON

{
  "hex": "#3fcc33",
  "rgb": {
    "r": 63,
    "g": 204,
    "b": 51
  },
  "hsl": {
    "h": 115.294,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.74212,
    "c": 0.22334,
    "h": 142
  },
  "luminance": 0.44482
}

Semantic roles & 50–950 ramp

primary

#3FCC33

secondary

#CA8BD0

accent

#45E3D7

background

#F9FDF7

surface

#F1FBED

border

#CBD4C8

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #3FCC33

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

Preview Lab → · Contrast checker → · Palette generator →