#3FB451#3FB451

#3FB451 is a light, vivid green. Relative luminance 0.343; OKLCH L 68.2% C 0.174 H 146.0°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#3FB451
RGB	rgb(63, 180, 81)
HSL	hsl(129, 48%, 48%)
HSV	hsv(129, 65%, 71%)
CMYK	cmyk(65%, 0%, 55%, 29.4%)
CIE-LAB	lab(65.19, -53.30, 40.62)
CIE-LCH	lch(65.19, 67.01, 142.69°)
OKLab	oklab(68.21% -0.144 0.0971)
OKLCH	oklch(68.21% 0.174 146)
XYZ	xyz(19.8550, 34.2913, 13.3555)
Luminance	0.3429 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB451 #B43FA2

analogous

#67B43F #3FB451 #3FB48C

triadic

#3FB451 #513FB4 #B4513F

tetradic

#3FB451 #3F67B4 #B43FA2 #B48C3F

square

#3FB451 #3F67B4 #B43FA2 #B48C3F

split-complementary

#3FB451 #8C3FB4 #B43F67

monochromatic

#1F5928 #2F873D #3FB451 #67CA76 #94DA9F

Accessibility & contrast

On white

2.67

#3FB451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#3FB451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB451

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB451	#FFFFFF	#000000	##000000
##3FB451	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A448

Deuteranopia (green-blind)

#A89A58

Tritanopia (blue-blind)

#1EB09E

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #3fb451;
/* rgb */ color: rgb(63, 180, 81);
/* oklch */ color: oklch(68.2% 0.174 146.0);

Tailwind

colors: {
  custom: {
    50: '#82cb84',
    500: '#3fb451',
    950: '#000000',
  },
}

SCSS

$custom: #3fb451;
$custom-light: #82cb84;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb451",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 81
  },
  "hsl": {
    "h": 129.231,
    "s": 48.148,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68207,
    "c": 0.17366,
    "h": 146
  },
  "luminance": 0.34293
}

Semantic roles & 50–950 ramp

primary

#3FB451

secondary

#C58ABC

accent

#50C3D8

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #3FB451

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

Preview Lab → · Contrast checker → · Palette generator →