#3FA621#3FA621

#3FA621 is a light, vivid green. Relative luminance 0.284; OKLCH L 64.0% C 0.190 H 139.9°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3FA621
RGB	rgb(63, 166, 33)
HSL	hsl(106, 67%, 39%)
HSV	hsv(106, 80%, 65%)
CMYK	cmyk(62%, 0%, 80.1%, 34.9%)
CIE-LAB	lab(60.28, -52.96, 55.05)
CIE-LCH	lch(60.28, 76.39, 133.89°)
OKLab	oklab(64.02% -0.1454 0.1224)
OKLCH	oklch(64.02% 0.19 139.9)
XYZ	xyz(15.9599, 28.4375, 6.0865)
Luminance	0.2844 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA621 #8821A6

analogous

#82A621 #3FA621 #21A646

triadic

#3FA621 #213FA6 #A6213F

tetradic

#3FA621 #2182A6 #8821A6 #A64621

square

#3FA621 #2182A6 #8821A6 #A64621

split-complementary

#3FA621 #4621A6 #A62182

monochromatic

#18400D #2C7317 #3FA621 #54D62F #7EE062

Accessibility & contrast

On white

3.14

#3FA621 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#3FA621 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA621

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA621	#FFFFFF	#000000	##000000
##3FA621	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9600

Deuteranopia (green-blind)

#9E8E31

Tritanopia (blue-blind)

#31A08E

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3fa621;
/* rgb */ color: rgb(63, 166, 33);
/* oklch */ color: oklch(64.0% 0.190 139.9);

Tailwind

colors: {
  custom: {
    50: '#81c168',
    500: '#3fa621',
    950: '#000000',
  },
}

SCSS

$custom: #3fa621;
$custom-light: #81c168;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa621",
  "rgb": {
    "r": 63,
    "g": 166,
    "b": 33
  },
  "hsl": {
    "h": 106.466,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.64017,
    "c": 0.19008,
    "h": 139.9
  },
  "luminance": 0.28439
}

Semantic roles & 50–950 ramp

primary

#3FA621

secondary

#AE5EC5

accent

#3EEAC3

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #3FA621

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

Preview Lab → · Contrast checker → · Palette generator →