#3FB12B#3FB12B

#3FB12B is a light, vivid green. Relative luminance 0.327; OKLCH L 67.0% C 0.198 H 141.0°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#3FB12B
RGB	rgb(63, 177, 43)
HSL	hsl(111, 61%, 43%)
HSV	hsv(111, 76%, 69%)
CMYK	cmyk(64.4%, 0%, 75.7%, 30.6%)
CIE-LAB	lab(63.90, -56.15, 55.29)
CIE-LCH	lch(63.90, 78.80, 135.44°)
OKLab	oklab(67.03% -0.1535 0.1243)
OKLCH	oklch(67.03% 0.198 141)
XYZ	xyz(18.2072, 32.6737, 7.6322)
Luminance	0.3267 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB12B #9D2BB1

analogous

#82B12B #3FB12B #2BB15A

triadic

#3FB12B #2B3FB1 #B12B3F

tetradic

#3FB12B #2B82B1 #9D2BB1 #B15A2B

square

#3FB12B #2B82B1 #9D2BB1 #B15A2B

split-complementary

#3FB12B #5A2BB1 #B12B82

monochromatic

#1C4F13 #2D801F #3FB12B #5CD247 #87DE78

Accessibility & contrast

On white

2.79

#3FB12B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#3FB12B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB12B

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB12B	#FFFFFF	#000000	##000000
##3FB12B	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A00D

Deuteranopia (green-blind)

#A8973A

Tritanopia (blue-blind)

#2BAB97

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #3fb12b;
/* rgb */ color: rgb(63, 177, 43);
/* oklch */ color: oklch(67.0% 0.198 141.0);

Tailwind

colors: {
  custom: {
    50: '#83c96e',
    500: '#3fb12b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb12b;
$custom-light: #83c96e;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb12b",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 43
  },
  "hsl": {
    "h": 111.045,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.67026,
    "c": 0.19753,
    "h": 141
  },
  "luminance": 0.32675
}

Semantic roles & 50–950 ramp

primary

#3FB12B

secondary

#BA72C6

accent

#44E4CC

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #3FB12B

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

Preview Lab → · Contrast checker → · Palette generator →