#3FB740#3FB740

#3FB740 is a light, vivid green. Relative luminance 0.353; OKLCH L 68.8% C 0.191 H 143.3°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3FB740
RGB	rgb(63, 183, 64)
HSL	hsl(121, 49%, 48%)
HSV	hsv(121, 66%, 72%)
CMYK	cmyk(65.6%, 0%, 65%, 28.2%)
CIE-LAB	lab(65.98, -56.41, 49.30)
CIE-LCH	lch(65.98, 74.91, 138.85°)
OKLab	oklab(68.8% -0.1531 0.1143)
OKLCH	oklch(68.8% 0.191 143.3)
XYZ	xyz(19.9076, 35.2919, 10.6124)
Luminance	0.3529 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB740 #B73FB6

analogous

#7AB73F #3FB740 #3FB77C

triadic

#3FB740 #403FB7 #B7403F

tetradic

#3FB740 #3F7AB7 #B73FB6 #B77C3F

square

#3FB740 #3F7AB7 #B73FB6 #B77C3F

split-complementary

#3FB740 #7C3FB7 #B73F7A

monochromatic

#205C20 #2F8930 #3FB740 #68CB69 #96DB96

Accessibility & contrast

On white

2.61

#3FB740 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#3FB740 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB740

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB740	#FFFFFF	#000000	##000000
##3FB740	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA631

Deuteranopia (green-blind)

#AC9D4B

Tritanopia (blue-blind)

#23B29E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #3fb740;
/* rgb */ color: rgb(63, 183, 64);
/* oklch */ color: oklch(68.8% 0.191 143.3);

Tailwind

colors: {
  custom: {
    50: '#83ce7a',
    500: '#3fb740',
    950: '#000000',
  },
}

SCSS

$custom: #3fb740;
$custom-light: #83ce7a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb740",
  "rgb": {
    "r": 63,
    "g": 183,
    "b": 64
  },
  "hsl": {
    "h": 120.5,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.68797,
    "c": 0.19108,
    "h": 143.3
  },
  "luminance": 0.35294
}

Semantic roles & 50–950 ramp

primary

#3FB740

secondary

#C68BC6

accent

#4FD7D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #3FB740

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

Preview Lab → · Contrast checker → · Palette generator →