#3FA821#3FA821

#3FA821 is a light, vivid green. Relative luminance 0.292; OKLCH L 64.6% C 0.192 H 140.0°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3FA821
RGB	rgb(63, 168, 33)
HSL	hsl(107, 67%, 39%)
HSV	hsv(107, 80%, 66%)
CMYK	cmyk(62.5%, 0%, 80.4%, 34.1%)
CIE-LAB	lab(60.93, -53.66, 55.66)
CIE-LCH	lch(60.93, 77.32, 133.95°)
OKLab	oklab(64.55% -0.1473 0.1237)
OKLCH	oklch(64.55% 0.192 140)
XYZ	xyz(16.3263, 29.1703, 6.2086)
Luminance	0.2917 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA821 #8A21A8

analogous

#82A821 #3FA821 #21A847

triadic

#3FA821 #213FA8 #A8213F

tetradic

#3FA821 #2182A8 #8A21A8 #A84721

square

#3FA821 #2182A8 #8A21A8 #A84721

split-complementary

#3FA821 #4721A8 #A82182

monochromatic

#19420D #2C7517 #3FA821 #55D630 #7FE063

Accessibility & contrast

On white

3.07

#3FA821 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#3FA821 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA821

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA821	#FFFFFF	#000000	##000000
##3FA821	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9800

Deuteranopia (green-blind)

#A09031

Tritanopia (blue-blind)

#30A28F

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3fa821;
/* rgb */ color: rgb(63, 168, 33);
/* oklch */ color: oklch(64.6% 0.192 140.0);

Tailwind

colors: {
  custom: {
    50: '#82c368',
    500: '#3fa821',
    950: '#000000',
  },
}

SCSS

$custom: #3fa821;
$custom-light: #82c368;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa821",
  "rgb": {
    "r": 63,
    "g": 168,
    "b": 33
  },
  "hsl": {
    "h": 106.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64555,
    "c": 0.19236,
    "h": 140
  },
  "luminance": 0.29172
}

Semantic roles & 50–950 ramp

primary

#3FA821

secondary

#AF5FC5

accent

#3EEAC4

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #3FA821

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

Preview Lab → · Contrast checker → · Palette generator →