#3F971A#3F971A

#3F971A is a mid, vivid green. Relative luminance 0.233; OKLCH L 59.9% C 0.176 H 138.7°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F971A
RGB	rgb(63, 151, 26)
HSL	hsl(102, 71%, 35%)
HSV	hsv(102, 83%, 59%)
CMYK	cmyk(58.3%, 0%, 82.8%, 40.8%)
CIE-LAB	lab(55.34, -47.91, 52.52)
CIE-LCH	lch(55.34, 71.09, 132.38°)
OKLab	oklab(59.92% -0.1323 0.1161)
OKLCH	oklch(59.92% 0.176 138.7)
XYZ	xyz(13.3024, 23.2634, 4.7664)
Luminance	0.2326 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F971A #721A97

analogous

#7E971A #3F971A #1A9734

triadic

#3F971A #1A3F97 #971A3F

tetradic

#3F971A #1A7E97 #721A97 #97341A

square

#3F971A #1A7E97 #721A97 #97341A

split-complementary

#3F971A #341A97 #971A7E

monochromatic

#132F08 #296311 #3F971A #55CB23 #77E04B

Accessibility & contrast

On white

3.71

#3F971A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#3F971A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F971A

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F971A	#FFFFFF	#000000	##000000
##3F971A	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8900

Deuteranopia (green-blind)

#91822A

Tritanopia (blue-blind)

#369280

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f971a;
/* rgb */ color: rgb(63, 151, 26);
/* oklch */ color: oklch(59.9% 0.176 138.7);

Tailwind

colors: {
  custom: {
    50: '#7fb663',
    500: '#3f971a',
    950: '#000000',
  },
}

SCSS

$custom: #3f971a;
$custom-light: #7fb663;
$custom-dark: #000000;

JSON

{
  "hex": "#3f971a",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 26
  },
  "hsl": {
    "h": 102.24,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.59922,
    "c": 0.17597,
    "h": 138.7
  },
  "luminance": 0.23265
}

Semantic roles & 50–950 ramp

primary

#3F971A

secondary

#9F4BC2

accent

#3AEDB8

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F971A

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

Preview Lab → · Contrast checker → · Palette generator →