#3FB240#3FB240

#3FB240 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.185 H 143.3°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3FB240
RGB	rgb(63, 178, 64)
HSL	hsl(121, 48%, 47%)
HSV	hsv(121, 65%, 70%)
CMYK	cmyk(64.6%, 0%, 64%, 30.2%)
CIE-LAB	lab(64.38, -54.63, 47.52)
CIE-LCH	lch(64.38, 72.41, 138.98°)
OKLab	oklab(67.47% -0.1483 0.1105)
OKLCH	oklch(67.47% 0.185 143.3)
XYZ	xyz(18.8946, 33.2658, 10.2747)
Luminance	0.3327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB240 #B23FB1

analogous

#77B23F #3FB240 #3FB27A

triadic

#3FB240 #403FB2 #B2403F

tetradic

#3FB240 #3F77B2 #B23FB1 #B27A3F

square

#3FB240 #3F77B2 #B23FB1 #B27A3F

split-complementary

#3FB240 #7A3FB2 #B23F77

monochromatic

#1F581F #2F8530 #3FB240 #66C966 #93D993

Accessibility & contrast

On white

2.74

#3FB240 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#3FB240 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB240

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB240	#FFFFFF	#000000	##000000
##3FB240	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A232

Deuteranopia (green-blind)

#A8984A

Tritanopia (blue-blind)

#26AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #3fb240;
/* rgb */ color: rgb(63, 178, 64);
/* oklch */ color: oklch(67.5% 0.185 143.3);

Tailwind

colors: {
  custom: {
    50: '#82ca79',
    500: '#3fb240',
    950: '#000000',
  },
}

SCSS

$custom: #3fb240;
$custom-light: #82ca79;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb240",
  "rgb": {
    "r": 63,
    "g": 178,
    "b": 64
  },
  "hsl": {
    "h": 120.522,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67474,
    "c": 0.18498,
    "h": 143.3
  },
  "luminance": 0.33268
}

Semantic roles & 50–950 ramp

primary

#3FB240

secondary

#C489C3

accent

#50D6D7

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB240

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

Preview Lab → · Contrast checker → · Palette generator →