#3F9A1B#3F9A1B

#3F9A1B is a mid, vivid green. Relative luminance 0.242; OKLCH L 60.7% C 0.179 H 139.0°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F9A1B
RGB	rgb(63, 154, 27)
HSL	hsl(103, 70%, 35%)
HSV	hsv(103, 82%, 60%)
CMYK	cmyk(59.1%, 0%, 82.5%, 39.6%)
CIE-LAB	lab(56.33, -48.97, 53.14)
CIE-LCH	lch(56.33, 72.26, 132.66°)
OKLab	oklab(60.74% -0.135 0.1175)
OKLCH	oklch(60.74% 0.179 139)
XYZ	xyz(13.8028, 24.2459, 4.9893)
Luminance	0.2425 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9A1B #761B9A

analogous

#7E9A1B #3F9A1B #1B9A36

triadic

#3F9A1B #1B3F9A #9A1B3F

tetradic

#3F9A1B #1B7E9A #761B9A #9A361B

square

#3F9A1B #1B7E9A #761B9A #9A361B

split-complementary

#3F9A1B #361B9A #9A1B7E

monochromatic

#143209 #2A6612 #3F9A1B #54CE24 #78E04F

Accessibility & contrast

On white

3.59

#3F9A1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3F9A1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9A1B

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9A1B	#FFFFFF	#000000	##000000
##3F9A1B	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#93842B

Tritanopia (blue-blind)

#359583

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f9a1b;
/* rgb */ color: rgb(63, 154, 27);
/* oklch */ color: oklch(60.7% 0.179 139.0);

Tailwind

colors: {
  custom: {
    50: '#7fb964',
    500: '#3f9a1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f9a1b;
$custom-light: #7fb964;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9a1b",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 27
  },
  "hsl": {
    "h": 102.992,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.60742,
    "c": 0.17902,
    "h": 139
  },
  "luminance": 0.24247
}

Semantic roles & 50–950 ramp

primary

#3F9A1B

secondary

#A24EC3

accent

#3BEDBA

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F9A1B

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

Preview Lab → · Contrast checker → · Palette generator →