#3FB040#3FB040

#3FB040 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.9% C 0.183 H 143.3°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3FB040
RGB	rgb(63, 176, 64)
HSL	hsl(121, 47%, 47%)
HSV	hsv(121, 64%, 69%)
CMYK	cmyk(64.2%, 0%, 63.6%, 31%)
CIE-LAB	lab(63.73, -53.92, 46.81)
CIE-LCH	lch(63.73, 71.40, 139.04°)
OKLab	oklab(66.94% -0.1464 0.109)
OKLCH	oklch(66.94% 0.183 143.3)
XYZ	xyz(18.4996, 32.4758, 10.1430)
Luminance	0.3248 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB040 #B03FAF

analogous

#77B03F #3FB040 #3FB079

triadic

#3FB040 #403FB0 #B0403F

tetradic

#3FB040 #3F77B0 #B03FAF #B0793F

square

#3FB040 #3F77B0 #B03FAF #B0793F

split-complementary

#3FB040 #793FB0 #B03F77

monochromatic

#1F561F #2F8330 #3FB040 #65C865 #92D892

Accessibility & contrast

On white

2.80

#3FB040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#3FB040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB040

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB040	#FFFFFF	#000000	##000000
##3FB040	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A033

Deuteranopia (green-blind)

#A6974A

Tritanopia (blue-blind)

#27AB98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #3fb040;
/* rgb */ color: rgb(63, 176, 64);
/* oklch */ color: oklch(66.9% 0.183 143.3);

Tailwind

colors: {
  custom: {
    50: '#82c979',
    500: '#3fb040',
    950: '#000000',
  },
}

SCSS

$custom: #3fb040;
$custom-light: #82c979;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb040",
  "rgb": {
    "r": 63,
    "g": 176,
    "b": 64
  },
  "hsl": {
    "h": 120.531,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.66944,
    "c": 0.18252,
    "h": 143.3
  },
  "luminance": 0.32478
}

Semantic roles & 50–950 ramp

primary

#3FB040

secondary

#C388C3

accent

#51D6D7

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB040

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

Preview Lab → · Contrast checker → · Palette generator →