#3FB539#3FB539

#3FB539 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.2% C 0.194 H 142.4°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3FB539
RGB	rgb(63, 181, 57)
HSL	hsl(117, 52%, 47%)
HSV	hsv(117, 69%, 71%)
CMYK	cmyk(65.2%, 0%, 68.5%, 29%)
CIE-LAB	lab(65.28, -56.39, 51.45)
CIE-LCH	lch(65.28, 76.34, 137.62°)
OKLab	oklab(68.2% -0.1534 0.1181)
OKLCH	oklch(68.2% 0.194 142.4)
XYZ	xyz(19.3112, 34.3980, 9.4919)
Luminance	0.3440 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB539 #AF39B5

analogous

#7DB539 #3FB539 #39B571

triadic

#3FB539 #393FB5 #B5393F

tetradic

#3FB539 #397DB5 #AF39B5 #B57139

square

#3FB539 #397DB5 #AF39B5 #B57139

split-complementary

#3FB539 #7139B5 #B5397D

monochromatic

#1F581C #2F862A #3FB539 #64CD5F #91DB8D

Accessibility & contrast

On white

2.66

#3FB539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#3FB539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB539

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB539	#FFFFFF	#000000	##000000
##3FB539	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A427

Deuteranopia (green-blind)

#AB9B45

Tritanopia (blue-blind)

#26B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #3fb539;
/* rgb */ color: rgb(63, 181, 57);
/* oklch */ color: oklch(68.2% 0.194 142.4);

Tailwind

colors: {
  custom: {
    50: '#83cc76',
    500: '#3fb539',
    950: '#000000',
  },
}

SCSS

$custom: #3fb539;
$custom-light: #83cc76;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb539",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 57
  },
  "hsl": {
    "h": 117.097,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.68201,
    "c": 0.19361,
    "h": 142.4
  },
  "luminance": 0.344
}

Semantic roles & 50–950 ramp

primary

#3FB539

secondary

#C384C6

accent

#4CDCD5

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB539

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

Preview Lab → · Contrast checker → · Palette generator →