#3FB440#3FB440

#3FB440 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.0% C 0.187 H 143.3°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3FB440
RGB	rgb(63, 180, 64)
HSL	hsl(121, 48%, 48%)
HSV	hsv(121, 65%, 71%)
CMYK	cmyk(65%, 0%, 64.4%, 29.4%)
CIE-LAB	lab(65.02, -55.35, 48.24)
CIE-LCH	lch(65.02, 73.42, 138.93°)
OKLab	oklab(68% -0.1503 0.1121)
OKLCH	oklch(68% 0.187 143.3)
XYZ	xyz(19.2954, 34.0675, 10.4083)
Luminance	0.3407 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB440 #B43FB3

analogous

#78B43F #3FB440 #3FB47B

triadic

#3FB440 #403FB4 #B4403F

tetradic

#3FB440 #3F78B4 #B43FB3 #B47B3F

square

#3FB440 #3F78B4 #B43FB3 #B47B3F

split-complementary

#3FB440 #7B3FB4 #B43F78

monochromatic

#1F5920 #2F8730 #3FB440 #67CA67 #94DA94

Accessibility & contrast

On white

2.69

#3FB440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#3FB440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB440

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB440	#FFFFFF	#000000	##000000
##3FB440	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A432

Deuteranopia (green-blind)

#AA9A4A

Tritanopia (blue-blind)

#25AF9C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #3fb440;
/* rgb */ color: rgb(63, 180, 64);
/* oklch */ color: oklch(68.0% 0.187 143.3);

Tailwind

colors: {
  custom: {
    50: '#82cb7a',
    500: '#3fb440',
    950: '#000000',
  },
}

SCSS

$custom: #3fb440;
$custom-light: #82cb7a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb440",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 64
  },
  "hsl": {
    "h": 120.513,
    "s": 48.148,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68004,
    "c": 0.18744,
    "h": 143.3
  },
  "luminance": 0.34069
}

Semantic roles & 50–950 ramp

primary

#3FB440

secondary

#C58AC4

accent

#50D7D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB440

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

Preview Lab → · Contrast checker → · Palette generator →