#3FBB3B#3FBB3B

#3FBB3B is a light, vivid green. Relative luminance 0.369; OKLCH L 69.8% C 0.199 H 142.7°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3FBB3B
RGB	rgb(63, 187, 59)
HSL	hsl(118, 52%, 48%)
HSV	hsv(118, 68%, 73%)
CMYK	cmyk(66.3%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(67.21, -58.28, 52.71)
CIE-LCH	lch(67.21, 78.58, 137.88°)
OKLab	oklab(69.81% -0.1585 0.1209)
OKLCH	oklch(69.81% 0.199 142.7)
XYZ	xyz(20.6085, 36.9111, 10.1753)
Luminance	0.3691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBB3B #B73BBB

analogous

#7FBB3B #3FBB3B #3BBB77

triadic

#3FBB3B #3B3FBB #BB3B3F

tetradic

#3FBB3B #3B7FBB #B73BBB #BB773B

square

#3FBB3B #3B7FBB #B73BBB #BB773B

split-complementary

#3FBB3B #773BBB #BB3B7F

monochromatic

#205E1E #2F8C2C #3FBB3B #68CE65 #96DD93

Accessibility & contrast

On white

2.51

#3FBB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#3FBB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBB3B

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBB3B	#FFFFFF	#000000	##000000
##3FBB3B	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA29

Deuteranopia (green-blind)

#B0A047

Tritanopia (blue-blind)

#23B6A1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3fbb3b;
/* rgb */ color: rgb(63, 187, 59);
/* oklch */ color: oklch(69.8% 0.199 142.7);

Tailwind

colors: {
  custom: {
    50: '#84d177',
    500: '#3fbb3b',
    950: '#000000',
  },
}

SCSS

$custom: #3fbb3b;
$custom-light: #84d177;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbb3b",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 118.125,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69806,
    "c": 0.19934,
    "h": 142.7
  },
  "luminance": 0.36913
}

Semantic roles & 50–950 ramp

primary

#3FBB3B

secondary

#C68AC8

accent

#4CDBD7

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #3FBB3B

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

Preview Lab → · Contrast checker → · Palette generator →