#3FB43B#3FB43B

#3FB43B is a light, vivid green. Relative luminance 0.340; OKLCH L 68.0% C 0.191 H 142.7°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3FB43B
RGB	rgb(63, 180, 59)
HSL	hsl(118, 51%, 47%)
HSV	hsv(118, 67%, 71%)
CMYK	cmyk(65%, 0%, 67.2%, 29.4%)
CIE-LAB	lab(64.97, -55.85, 50.31)
CIE-LCH	lch(64.97, 75.17, 137.99°)
OKLab	oklab(67.95% -0.1519 0.1159)
OKLCH	oklch(67.95% 0.191 142.7)
XYZ	xyz(19.1595, 34.0131, 9.6923)
Luminance	0.3402 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB43B #B03BB4

analogous

#7BB43B #3FB43B #3BB474

triadic

#3FB43B #3B3FB4 #B43B3F

tetradic

#3FB43B #3B7BB4 #B03BB4 #B4743B

square

#3FB43B #3B7BB4 #B03BB4 #B4743B

split-complementary

#3FB43B #743BB4 #B43B7B

monochromatic

#1F581D #2F862C #3FB43B #65CB61 #92DA8F

Accessibility & contrast

On white

2.69

#3FB43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#3FB43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB43B

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB43B	#FFFFFF	#000000	##000000
##3FB43B	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A42B

Deuteranopia (green-blind)

#AA9A46

Tritanopia (blue-blind)

#26AF9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #3fb43b;
/* rgb */ color: rgb(63, 180, 59);
/* oklch */ color: oklch(68.0% 0.191 142.7);

Tailwind

colors: {
  custom: {
    50: '#83cb77',
    500: '#3fb43b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb43b;
$custom-light: #83cb77;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb43b",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 59
  },
  "hsl": {
    "h": 118.017,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.67954,
    "c": 0.19104,
    "h": 142.7
  },
  "luminance": 0.34015
}

Semantic roles & 50–950 ramp

primary

#3FB43B

secondary

#C386C5

accent

#4EDAD5

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB43B

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

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