#3FCB39#3FCB39

#3FCB39 is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.0% C 0.219 H 142.5°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#3FCB39
RGB	rgb(63, 203, 57)
HSL	hsl(118, 58%, 51%)
HSV	hsv(118, 72%, 80%)
CMYK	cmyk(69%, 0%, 71.9%, 20.4%)
CIE-LAB	lab(72.27, -63.82, 58.75)
CIE-LCH	lch(72.27, 86.74, 137.37°)
OKLab	oklab(73.99% -0.1736 0.1334)
OKLCH	oklch(73.99% 0.219 142.5)
XYZ	xyz(24.1430, 44.0614, 11.1025)
Luminance	0.4406 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCB39 #C539CB

analogous

#88CB39 #3FCB39 #39CB7C

triadic

#3FCB39 #393FCB #CB393F

tetradic

#3FCB39 #3988CB #C539CB #CB7C39

square

#3FCB39 #3988CB #C539CB #CB7C39

split-complementary

#3FCB39 #7C39CB #CB3988

monochromatic

#206D1D #2E9D29 #3FCB39 #6ED869 #9DE49A

Accessibility & contrast

On white

2.14

#3FCB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.81

#3FCB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCB39

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCB39	#FFFFFF	#000000	##000000
##3FCB39	1.00	2.14	9.81	9.81
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.81	21.00	1.00	1.00
##000000	9.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B820

Deuteranopia (green-blind)

#BFAD48

Tritanopia (blue-blind)

#18C5AE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #3fcb39;
/* rgb */ color: rgb(63, 203, 57);
/* oklch */ color: oklch(74.0% 0.219 142.5);

Tailwind

colors: {
  custom: {
    50: '#87dc78',
    500: '#3fcb39',
    950: '#000000',
  },
}

SCSS

$custom: #3fcb39;
$custom-light: #87dc78;
$custom-dark: #000000;

JSON

{
  "hex": "#3fcb39",
  "rgb": {
    "r": 63,
    "g": 203,
    "b": 57
  },
  "hsl": {
    "h": 117.534,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.73994,
    "c": 0.21887,
    "h": 142.5
  },
  "luminance": 0.44064
}

Semantic roles & 50–950 ramp

primary

#3FCB39

secondary

#CE90D0

accent

#46E2DB

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #3FCB39

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

Preview Lab → · Contrast checker → · Palette generator →