#3FBB51#3FBB51

#3FBB51 is a light, vivid green. Relative luminance 0.372; OKLCH L 70.0% C 0.183 H 145.7°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3FBB51
RGB	rgb(63, 187, 81)
HSL	hsl(129, 50%, 49%)
HSV	hsv(129, 66%, 73%)
CMYK	cmyk(66.3%, 0%, 56.7%, 26.7%)
CIE-LAB	lab(67.42, -55.84, 43.27)
CIE-LCH	lch(67.42, 70.64, 142.23°)
OKLab	oklab(70.05% -0.1509 0.1029)
OKLCH	oklch(70.05% 0.183 145.7)
XYZ	xyz(21.3040, 37.1893, 13.8385)
Luminance	0.3719 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBB51 #BB3FA9

analogous

#6BBB3F #3FBB51 #3FBB8F

triadic

#3FBB51 #513FBB #BB513F

tetradic

#3FBB51 #3F6BBB #BB3FA9 #BB8F3F

square

#3FBB51 #3F6BBB #BB3FA9 #BB8F3F

split-complementary

#3FBB51 #8F3FBB #BB3F6B

monochromatic

#205F29 #308D3D #3FBB51 #6ACD79 #98DCA2

Accessibility & contrast

On white

2.49

#3FBB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#3FBB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBB51

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBB51	#FFFFFF	#000000	##000000
##3FBB51	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAA47

Deuteranopia (green-blind)

#AFA059

Tritanopia (blue-blind)

#19B7A4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #3fbb51;
/* rgb */ color: rgb(63, 187, 81);
/* oklch */ color: oklch(70.0% 0.183 145.7);

Tailwind

colors: {
  custom: {
    50: '#83d085',
    500: '#3fbb51',
    950: '#000000',
  },
}

SCSS

$custom: #3fbb51;
$custom-light: #83d085;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbb51",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 81
  },
  "hsl": {
    "h": 128.71,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.70046,
    "c": 0.18263,
    "h": 145.7
  },
  "luminance": 0.37191
}

Semantic roles & 50–950 ramp

primary

#3FBB51

secondary

#C88EC0

accent

#4FC5D9

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140B

muted

#7D827C

Preview Lab

Preview with #3FBB51

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

Preview Lab → · Contrast checker → · Palette generator →