#3FB028#3FB028

#3FB028 is a light, vivid green. Relative luminance 0.323; OKLCH L 66.7% C 0.198 H 140.7°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3FB028
RGB	rgb(63, 176, 40)
HSL	hsl(110, 63%, 42%)
HSV	hsv(110, 77%, 69%)
CMYK	cmyk(64.2%, 0%, 77.3%, 31%)
CIE-LAB	lab(63.56, -56.01, 55.96)
CIE-LCH	lch(63.56, 79.18, 135.02°)
OKLab	oklab(66.74% -0.1533 0.1253)
OKLCH	oklch(66.74% 0.198 140.7)
XYZ	xyz(17.9573, 32.2589, 7.2873)
Luminance	0.3226 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB028 #9928B0

analogous

#83B028 #3FB028 #28B055

triadic

#3FB028 #283FB0 #B0283F

tetradic

#3FB028 #2883B0 #9928B0 #B05528

square

#3FB028 #2883B0 #9928B0 #B05528

split-complementary

#3FB028 #5528B0 #B02883

monochromatic

#1B4C11 #2D7E1D #3FB028 #5AD441 #85DF73

Accessibility & contrast

On white

2.82

#3FB028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#3FB028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB028

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB028	#FFFFFF	#000000	##000000
##3FB028	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A004

Deuteranopia (green-blind)

#A79637

Tritanopia (blue-blind)

#2CAA96

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #3fb028;
/* rgb */ color: rgb(63, 176, 40);
/* oklch */ color: oklch(66.7% 0.198 140.7);

Tailwind

colors: {
  custom: {
    50: '#83c96c',
    500: '#3fb028',
    950: '#000000',
  },
}

SCSS

$custom: #3fb028;
$custom-light: #83c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb028",
  "rgb": {
    "r": 63,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 109.853,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.66739,
    "c": 0.19799,
    "h": 140.7
  },
  "luminance": 0.32261
}

Semantic roles & 50–950 ramp

primary

#3FB028

secondary

#B76DC6

accent

#42E6CA

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #3FB028

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

Preview Lab → · Contrast checker → · Palette generator →