#3FB55B#3FB55B

#3FB55B is a light, vivid green. Relative luminance 0.349; OKLCH L 68.6% C 0.166 H 148.0°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3FB55B
RGB	rgb(63, 181, 91)
HSL	hsl(134, 48%, 48%)
HSV	hsv(134, 65%, 71%)
CMYK	cmyk(65.2%, 0%, 49.7%, 29%)
CIE-LAB	lab(65.64, -52.23, 36.22)
CIE-LCH	lch(65.64, 63.56, 145.25°)
OKLab	oklab(68.62% -0.1409 0.0879)
OKLCH	oklch(68.62% 0.166 148)
XYZ	xyz(20.4606, 34.8577, 15.5454)
Luminance	0.3486 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB55B #B53F99

analogous

#5EB53F #3FB55B #3FB596

triadic

#3FB55B #5B3FB5 #B55B3F

tetradic

#3FB55B #3F5EB5 #B53F99 #B5963F

square

#3FB55B #3F5EB5 #B53F99 #B5963F

split-complementary

#3FB55B #963FB5 #B53F5E

monochromatic

#1F5A2D #2F8844 #3FB55B #67CA7F #94DAA5

Accessibility & contrast

On white

2.63

#3FB55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#3FB55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB55B

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB55B	#FFFFFF	#000000	##000000
##3FB55B	1.00	2.63	7.97	7.97
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A654

Deuteranopia (green-blind)

#A89B61

Tritanopia (blue-blind)

#16B1A0

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #3fb55b;
/* rgb */ color: rgb(63, 181, 91);
/* oklch */ color: oklch(68.6% 0.166 148.0);

Tailwind

colors: {
  custom: {
    50: '#82cc8b',
    500: '#3fb55b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb55b;
$custom-light: #82cc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb55b",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 91
  },
  "hsl": {
    "h": 134.237,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.68615,
    "c": 0.16607,
    "h": 148
  },
  "luminance": 0.3486
}

Semantic roles & 50–950 ramp

primary

#3FB55B

secondary

#C58AB7

accent

#50B8D8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #3FB55B

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

Preview Lab → · Contrast checker → · Palette generator →