#3FB42B#3FB42B

#3FB42B is a light, highly saturated green. Relative luminance 0.339; OKLCH L 67.8% C 0.201 H 141.1°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3FB42B
RGB	rgb(63, 180, 43)
HSL	hsl(111, 61%, 44%)
HSV	hsv(111, 76%, 71%)
CMYK	cmyk(65%, 0%, 76.1%, 29.4%)
CIE-LAB	lab(64.86, -57.18, 56.24)
CIE-LCH	lch(64.86, 80.20, 135.48°)
OKLab	oklab(67.83% -0.1563 0.1263)
OKLCH	oklch(67.83% 0.201 141.1)
XYZ	xyz(18.8062, 33.8718, 7.8319)
Luminance	0.3387 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB42B #A02BB4

analogous

#83B42B #3FB42B #2BB45B

triadic

#3FB42B #2B3FB4 #B42B3F

tetradic

#3FB42B #2B83B4 #A02BB4 #B45B2B

square

#3FB42B #2B83B4 #A02BB4 #B45B2B

split-complementary

#3FB42B #5B2BB4 #B42B83

monochromatic

#1C5113 #2E831F #3FB42B #5DD349 #89DF7A

Accessibility & contrast

On white

2.70

#3FB42B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#3FB42B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB42B

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB42B	#FFFFFF	#000000	##000000
##3FB42B	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A30B

Deuteranopia (green-blind)

#AB9A3A

Tritanopia (blue-blind)

#2AAE9A

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #3fb42b;
/* rgb */ color: rgb(63, 180, 43);
/* oklch */ color: oklch(67.8% 0.201 141.1);

Tailwind

colors: {
  custom: {
    50: '#83cb6e',
    500: '#3fb42b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb42b;
$custom-light: #83cb6e;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb42b",
  "rgb": {
    "r": 63,
    "g": 180,
    "b": 43
  },
  "hsl": {
    "h": 111.241,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.67825,
    "c": 0.20094,
    "h": 141.1
  },
  "luminance": 0.33874
}

Semantic roles & 50–950 ramp

primary

#3FB42B

secondary

#BB73C7

accent

#43E5CD

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #3FB42B

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

Preview Lab → · Contrast checker → · Palette generator →