#3FBB4B#3FBB4B

#3FBB4B is a light, vivid green. Relative luminance 0.371; OKLCH L 70.0% C 0.188 H 144.7°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3FBB4B
RGB	rgb(63, 187, 75)
HSL	hsl(126, 50%, 49%)
HSV	hsv(126, 66%, 73%)
CMYK	cmyk(66.3%, 0%, 59.9%, 26.7%)
CIE-LAB	lab(67.35, -56.59, 45.98)
CIE-LCH	lch(67.35, 72.92, 140.90°)
OKLab	oklab(69.97% -0.1531 0.1083)
OKLCH	oklch(69.97% 0.188 144.7)
XYZ	xyz(21.0889, 37.1032, 12.7055)
Luminance	0.3710 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBB4B #BB3FAF

analogous

#71BB3F #3FBB4B #3FBB89

triadic

#3FBB4B #4B3FBB #BB4B3F

tetradic

#3FBB4B #3F71BB #BB3FAF #BB893F

square

#3FBB4B #3F71BB #BB3FAF #BB893F

split-complementary

#3FBB4B #893FBB #BB3F71

monochromatic

#205F26 #308D39 #3FBB4B #6ACD74 #98DC9F

Accessibility & contrast

On white

2.49

#3FBB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#3FBB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBB4B

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBB4B	#FFFFFF	#000000	##000000
##3FBB4B	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAA3F

Deuteranopia (green-blind)

#AFA054

Tritanopia (blue-blind)

#1CB6A3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3fbb4b;
/* rgb */ color: rgb(63, 187, 75);
/* oklch */ color: oklch(70.0% 0.188 144.7);

Tailwind

colors: {
  custom: {
    50: '#83d081',
    500: '#3fbb4b',
    950: '#000000',
  },
}

SCSS

$custom: #3fbb4b;
$custom-light: #83d081;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbb4b",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 75
  },
  "hsl": {
    "h": 125.806,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.69972,
    "c": 0.18754,
    "h": 144.7
  },
  "luminance": 0.37105
}

Semantic roles & 50–950 ramp

primary

#3FBB4B

secondary

#C88EC2

accent

#4FCCD9

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #3FBB4B

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

Preview Lab → · Contrast checker → · Palette generator →