#3FC04B#3FC04B

#3FC04B is a light, vivid green. Relative luminance 0.393; OKLCH L 71.3% C 0.194 H 144.6°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3FC04B
RGB	rgb(63, 192, 75)
HSL	hsl(126, 51%, 50%)
HSV	hsv(126, 67%, 75%)
CMYK	cmyk(67.2%, 0%, 60.9%, 24.7%)
CIE-LAB	lab(68.94, -58.35, 47.80)
CIE-LCH	lch(68.94, 75.43, 140.67°)
OKLab	oklab(71.28% -0.1579 0.1122)
OKLCH	oklch(71.28% 0.194 144.6)
XYZ	xyz(22.1681, 39.2617, 13.0652)
Luminance	0.3926 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC04B #C03FB4

analogous

#74C03F #3FC04B #3FC08B

triadic

#3FC04B #4B3FC0 #C04B3F

tetradic

#3FC04B #3F74C0 #C03FB4 #C08B3F

square

#3FC04B #3F74C0 #C03FB4 #C08B3F

split-complementary

#3FC04B #8B3FC0 #C03F74

monochromatic

#216427 #309239 #3FC04B #6DCF76 #9BDEA1

Accessibility & contrast

On white

2.37

#3FC04B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#3FC04B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC04B

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC04B	#FFFFFF	#000000	##000000
##3FC04B	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF3E

Deuteranopia (green-blind)

#B4A455

Tritanopia (blue-blind)

#18BBA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3fc04b;
/* rgb */ color: rgb(63, 192, 75);
/* oklch */ color: oklch(71.3% 0.194 144.6);

Tailwind

colors: {
  custom: {
    50: '#84d481',
    500: '#3fc04b',
    950: '#000000',
  },
}

SCSS

$custom: #3fc04b;
$custom-light: #84d481;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc04b",
  "rgb": {
    "r": 63,
    "g": 192,
    "b": 75
  },
  "hsl": {
    "h": 125.581,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.71283,
    "c": 0.19369,
    "h": 144.6
  },
  "luminance": 0.39264
}

Semantic roles & 50–950 ramp

primary

#3FC04B

secondary

#CA91C5

accent

#4ECDDA

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #3FC04B

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

Preview Lab → · Contrast checker → · Palette generator →