#3FBF51#3FBF51

#3FBF51 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.1% C 0.188 H 145.6°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3FBF51
RGB	rgb(63, 191, 81)
HSL	hsl(128, 50%, 50%)
HSV	hsv(128, 67%, 75%)
CMYK	cmyk(67%, 0%, 57.6%, 25.1%)
CIE-LAB	lab(68.69, -57.27, 44.77)
CIE-LCH	lch(68.69, 72.69, 141.99°)
OKLab	oklab(71.09% -0.1547 0.1061)
OKLCH	oklch(71.09% 0.188 145.6)
XYZ	xyz(22.1644, 38.9101, 14.1253)
Luminance	0.3891 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBF51 #BF3FAD

analogous

#6DBF3F #3FBF51 #3FBF91

triadic

#3FBF51 #513FBF #BF513F

tetradic

#3FBF51 #3F6DBF #BF3FAD #BF913F

square

#3FBF51 #3F6DBF #BF3FAD #BF913F

split-complementary

#3FBF51 #913FBF #BF3F6D

monochromatic

#21632A #30913D #3FBF51 #6DCF7A #9BDEA4

Accessibility & contrast

On white

2.39

#3FBF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#3FBF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBF51

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBF51	#FFFFFF	#000000	##000000
##3FBF51	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE46

Deuteranopia (green-blind)

#B2A35A

Tritanopia (blue-blind)

#15BAA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3fbf51;
/* rgb */ color: rgb(63, 191, 81);
/* oklch */ color: oklch(71.1% 0.188 145.6);

Tailwind

colors: {
  custom: {
    50: '#84d385',
    500: '#3fbf51',
    950: '#000000',
  },
}

SCSS

$custom: #3fbf51;
$custom-light: #84d385;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbf51",
  "rgb": {
    "r": 63,
    "g": 191,
    "b": 81
  },
  "hsl": {
    "h": 128.438,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71093,
    "c": 0.18764,
    "h": 145.6
  },
  "luminance": 0.38912
}

Semantic roles & 50–950 ramp

primary

#3FBF51

secondary

#CA90C2

accent

#4EC6DA

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #3FBF51

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

Preview Lab → · Contrast checker → · Palette generator →