#3FA421#3FA421

#3FA421 is a light, vivid green. Relative luminance 0.277; OKLCH L 63.5% C 0.188 H 139.9°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3FA421
RGB	rgb(63, 164, 33)
HSL	hsl(106, 66%, 39%)
HSV	hsv(106, 80%, 64%)
CMYK	cmyk(61.6%, 0%, 79.9%, 35.7%)
CIE-LAB	lab(59.63, -52.24, 54.43)
CIE-LCH	lch(59.63, 75.45, 133.82°)
OKLab	oklab(63.48% -0.1435 0.1211)
OKLCH	oklch(63.48% 0.188 139.9)
XYZ	xyz(15.5992, 27.7160, 5.9662)
Luminance	0.2772 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA421 #8621A4

analogous

#80A421 #3FA421 #21A445

triadic

#3FA421 #213FA4 #A4213F

tetradic

#3FA421 #2180A4 #8621A4 #A44521

square

#3FA421 #2180A4 #8621A4 #A44521

split-complementary

#3FA421 #4521A4 #A42180

monochromatic

#183E0C #2B7117 #3FA421 #54D52D #7DDF60

Accessibility & contrast

On white

3.21

#3FA421 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#3FA421 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA421

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA421	#FFFFFF	#000000	##000000
##3FA421	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#9C8D30

Tritanopia (blue-blind)

#319E8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3fa421;
/* rgb */ color: rgb(63, 164, 33);
/* oklch */ color: oklch(63.5% 0.188 139.9);

Tailwind

colors: {
  custom: {
    50: '#81c068',
    500: '#3fa421',
    950: '#000000',
  },
}

SCSS

$custom: #3fa421;
$custom-light: #81c068;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa421",
  "rgb": {
    "r": 63,
    "g": 164,
    "b": 33
  },
  "hsl": {
    "h": 106.26,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63479,
    "c": 0.18779,
    "h": 139.9
  },
  "luminance": 0.27717
}

Semantic roles & 50–950 ramp

primary

#3FA421

secondary

#AC5DC4

accent

#3EE9C2

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #3FA421

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

Preview Lab → · Contrast checker → · Palette generator →