#3F9B1B#3F9B1B

#3F9B1B is a mid, vivid green. Relative luminance 0.246; OKLCH L 61.0% C 0.180 H 139.0°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F9B1B
RGB	rgb(63, 155, 27)
HSL	hsl(103, 70%, 36%)
HSV	hsv(103, 83%, 61%)
CMYK	cmyk(59.4%, 0%, 82.6%, 39.2%)
CIE-LAB	lab(56.66, -49.34, 53.45)
CIE-LCH	lch(56.66, 72.74, 132.71°)
OKLab	oklab(61.01% -0.136 0.1182)
OKLCH	oklch(61.01% 0.18 139)
XYZ	xyz(13.9685, 24.5774, 5.0445)
Luminance	0.2458 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9B1B #771B9B

analogous

#7F9B1B #3F9B1B #1B9B37

triadic

#3F9B1B #1B3F9B #9B1B3F

tetradic

#3F9B1B #1B7F9B #771B9B #9B371B

square

#3F9B1B #1B7F9B #771B9B #9B371B

split-complementary

#3F9B1B #371B9B #9B1B7F

monochromatic

#153309 #2A6712 #3F9B1B #54CF24 #79E050

Accessibility & contrast

On white

3.55

#3F9B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3F9B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9B1B

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9B1B	#FFFFFF	#000000	##000000
##3F9B1B	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#94852B

Tritanopia (blue-blind)

#359684

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f9b1b;
/* rgb */ color: rgb(63, 155, 27);
/* oklch */ color: oklch(61.0% 0.180 139.0);

Tailwind

colors: {
  custom: {
    50: '#7fb964',
    500: '#3f9b1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f9b1b;
$custom-light: #7fb964;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9b1b",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 27
  },
  "hsl": {
    "h": 103.125,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.61014,
    "c": 0.18018,
    "h": 139
  },
  "luminance": 0.24579
}

Semantic roles & 50–950 ramp

primary

#3F9B1B

secondary

#A24FC3

accent

#3BEDBB

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9B1B

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

Preview Lab → · Contrast checker → · Palette generator →