#3FBB40#3FBB40

#3FBB40 is a light, vivid green. Relative luminance 0.370; OKLCH L 69.9% C 0.196 H 143.2°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3FBB40
RGB	rgb(63, 187, 64)
HSL	hsl(120, 50%, 49%)
HSV	hsv(120, 66%, 73%)
CMYK	cmyk(66.3%, 0%, 65.8%, 26.7%)
CIE-LAB	lab(67.25, -57.80, 50.70)
CIE-LCH	lch(67.25, 76.88, 138.75°)
OKLab	oklab(69.85% -0.1569 0.1173)
OKLCH	oklch(69.85% 0.196 143.2)
XYZ	xyz(20.7444, 36.9654, 10.8913)
Luminance	0.3697 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBB40 #BB3FBA

analogous

#7CBB3F #3FBB40 #3FBB7E

triadic

#3FBB40 #403FBB #BB403F

tetradic

#3FBB40 #3F7CBB #BB3FBA #BB7E3F

square

#3FBB40 #3F7CBB #BB3FBA #BB7E3F

split-complementary

#3FBB40 #7E3FBB #BB3F7C

monochromatic

#205F21 #308D30 #3FBB40 #6ACD6B #98DC99

Accessibility & contrast

On white

2.50

#3FBB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#3FBB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBB40

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBB40	#FFFFFF	#000000	##000000
##3FBB40	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA30

Deuteranopia (green-blind)

#B0A04B

Tritanopia (blue-blind)

#21B6A2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3fbb40;
/* rgb */ color: rgb(63, 187, 64);
/* oklch */ color: oklch(69.9% 0.196 143.2);

Tailwind

colors: {
  custom: {
    50: '#84d17a',
    500: '#3fbb40',
    950: '#000000',
  },
}

SCSS

$custom: #3fbb40;
$custom-light: #84d17a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbb40",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 120.484,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.69853,
    "c": 0.19588,
    "h": 143.2
  },
  "luminance": 0.36968
}

Semantic roles & 50–950 ramp

primary

#3FBB40

secondary

#C88EC8

accent

#4FD8D9

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #3FBB40

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

Preview Lab → · Contrast checker → · Palette generator →