#3FB551#3FB551

#3FB551 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.5% C 0.175 H 146.0°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3FB551
RGB	rgb(63, 181, 81)
HSL	hsl(129, 48%, 48%)
HSV	hsv(129, 65%, 71%)
CMYK	cmyk(65.2%, 0%, 55.2%, 29%)
CIE-LAB	lab(65.51, -53.66, 41.00)
CIE-LCH	lch(65.51, 67.53, 142.62°)
OKLab	oklab(68.47% -0.145 0.0979)
OKLCH	oklch(68.47% 0.175 146)
XYZ	xyz(20.0576, 34.6965, 13.4230)
Luminance	0.3470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB551 #B53FA3

analogous

#68B53F #3FB551 #3FB58C

triadic

#3FB551 #513FB5 #B5513F

tetradic

#3FB551 #3F68B5 #B53FA3 #B58C3F

square

#3FB551 #3F68B5 #B53FA3 #B58C3F

split-complementary

#3FB551 #8C3FB5 #B53F68

monochromatic

#1F5A28 #2F883D #3FB551 #67CA76 #94DA9F

Accessibility & contrast

On white

2.64

#3FB551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#3FB551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB551

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB551	#FFFFFF	#000000	##000000
##3FB551	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A548

Deuteranopia (green-blind)

#A99B59

Tritanopia (blue-blind)

#1DB19F

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #3fb551;
/* rgb */ color: rgb(63, 181, 81);
/* oklch */ color: oklch(68.5% 0.175 146.0);

Tailwind

colors: {
  custom: {
    50: '#82cc84',
    500: '#3fb551',
    950: '#000000',
  },
}

SCSS

$custom: #3fb551;
$custom-light: #82cc84;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb551",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 81
  },
  "hsl": {
    "h": 129.153,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6847,
    "c": 0.17496,
    "h": 146
  },
  "luminance": 0.34699
}

Semantic roles & 50–950 ramp

primary

#3FB551

secondary

#C58ABC

accent

#50C3D8

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #3FB551

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

Preview Lab → · Contrast checker → · Palette generator →