#3FB840#3FB840

#3FB840 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.1% C 0.192 H 143.3°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3FB840
RGB	rgb(63, 184, 64)
HSL	hsl(120, 49%, 48%)
HSV	hsv(120, 66%, 72%)
CMYK	cmyk(65.8%, 0%, 65.2%, 27.8%)
CIE-LAB	lab(66.29, -56.76, 49.65)
CIE-LCH	lch(66.29, 75.41, 138.82°)
OKLab	oklab(69.06% -0.1541 0.115)
OKLCH	oklch(69.06% 0.192 143.3)
XYZ	xyz(20.1146, 35.7058, 10.6814)
Luminance	0.3571 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB840 #B83FB7

analogous

#7AB83F #3FB840 #3FB87C

triadic

#3FB840 #403FB8 #B8403F

tetradic

#3FB840 #3F7AB8 #B83FB7 #B87C3F

square

#3FB840 #3F7AB8 #B83FB7 #B87C3F

split-complementary

#3FB840 #7C3FB8 #B83F7A

monochromatic

#205D20 #2F8A30 #3FB840 #69CC69 #96DB97

Accessibility & contrast

On white

2.58

#3FB840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.14

#3FB840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB840

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB840	#FFFFFF	#000000	##000000
##3FB840	1.00	2.58	8.14	8.14
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.14	21.00	1.00	1.00
##000000	8.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA731

Deuteranopia (green-blind)

#AD9D4B

Tritanopia (blue-blind)

#23B39F

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #3fb840;
/* rgb */ color: rgb(63, 184, 64);
/* oklch */ color: oklch(69.1% 0.192 143.3);

Tailwind

colors: {
  custom: {
    50: '#83ce7a',
    500: '#3fb840',
    950: '#000000',
  },
}

SCSS

$custom: #3fb840;
$custom-light: #83ce7a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb840",
  "rgb": {
    "r": 63,
    "g": 184,
    "b": 64
  },
  "hsl": {
    "h": 120.496,
    "s": 48.988,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69061,
    "c": 0.19229,
    "h": 143.3
  },
  "luminance": 0.35708
}

Semantic roles & 50–950 ramp

primary

#3FB840

secondary

#C78CC6

accent

#4FD7D9

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #3FB840

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

Preview Lab → · Contrast checker → · Palette generator →