#3F811F#3F811F

#3F811F is a mid, vivid green. Relative luminance 0.169; OKLCH L 53.9% C 0.146 H 137.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F811F
RGB	rgb(63, 129, 31)
HSL	hsl(100, 61%, 31%)
HSV	hsv(100, 76%, 51%)
CMYK	cmyk(51.2%, 0%, 76%, 49.4%)
CIE-LAB	lab(48.08, -39.00, 43.91)
CIE-LCH	lch(48.08, 58.73, 131.61°)
OKLab	oklab(53.94% -0.108 0.0988)
OKLCH	oklch(53.94% 0.146 137.5)
XYZ	xyz(10.1471, 16.8555, 4.0148)
Luminance	0.1686 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F811F #611F81

analogous

#70811F #3F811F #1F8130

triadic

#3F811F #1F3F81 #811F3F

tetradic

#3F811F #1F7081 #611F81 #81301F

square

#3F811F #1F7081 #611F81 #81301F

split-complementary

#3F811F #301F81 #811F70

monochromatic

#0F1E07 #275013 #3F811F #57B22B #75D347

Accessibility & contrast

On white

4.80

#3F811F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3F811F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F811F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F811F	#FFFFFF	#000000	##FFFFFF
##3F811F	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85760C

Deuteranopia (green-blind)

#7D7029

Tritanopia (blue-blind)

#3B7C6E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f811f;
/* rgb */ color: rgb(63, 129, 31);
/* oklch */ color: oklch(53.9% 0.146 137.5);

Tailwind

colors: {
  custom: {
    50: '#7ba662',
    500: '#3f811f',
    950: '#000000',
  },
}

SCSS

$custom: #3f811f;
$custom-light: #7ba662;
$custom-dark: #000000;

JSON

{
  "hex": "#3f811f",
  "rgb": {
    "r": 63,
    "g": 129,
    "b": 31
  },
  "hsl": {
    "h": 100.408,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.53941,
    "c": 0.14638,
    "h": 137.5
  },
  "luminance": 0.16856
}

Semantic roles & 50–950 ramp

primary

#3F811F

secondary

#9148B4

accent

#43E4B0

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #3F811F

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

Preview Lab → · Contrast checker → · Palette generator →